20148282800

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{3389}}^1$

素因数の和:3663

約数の個数: 120

約数和(自身を含む): 49257784800

約数和(自身を除く): 29109502000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 167, 178, 200, 334, 356, 400, 445, 668, 712, 835, 890, 1336, 1424, 1670, 1780, 2225, 2672, 3340, 3389, 3560, 4175, 4450, 6680, 6778, 7120, 8350, 8900, 13360, 13556, 14863, 16700, 16945, 17800, 27112, 29726, 33400, 33890, 35600, 54224, 59452, 66800, 67780, 74315, 84725, 118904, 135560, 148630, 169450, 237808, 271120, 297260, 301621, 338900, 371575, 565963, 594520, 603242, 677800, 743150, 1131926, 1189040, 1206484, 1355600, 1486300, 1508105, 2263852, 2412968, 2829815, 2972600, 3016210, 4527704, 4825936, 5659630, 5945200, 6032420, 7540525, 9055408, 11319260, 12064840, 14149075, 15081050, 22638520, 24129680, 28298150, 30162100, 45277040, 50370707, 56596300, 60324200, 100741414, 113192600, 120648400, 201482828, 226385200, 251853535, 402965656, 503707070, 805931312, 1007414140, 1259267675, 2014828280, 2518535350, 4029656560, 5037070700, 10074141400, 20148282800]

約数ペア:

[(1, 20148282800), (2, 10074141400), (4, 5037070700), (5, 4029656560), (8, 2518535350), (10, 2014828280), (16, 1259267675), (20, 1007414140), (25, 805931312), (40, 503707070), (50, 402965656), (80, 251853535), (89, 226385200), (100, 201482828), (167, 120648400), (178, 113192600), (200, 100741414), (334, 60324200), (356, 56596300), (400, 50370707), (445, 45277040), (668, 30162100), (712, 28298150), (835, 24129680), (890, 22638520), (1336, 15081050), (1424, 14149075), (1670, 12064840), (1780, 11319260), (2225, 9055408), (2672, 7540525), (3340, 6032420), (3389, 5945200), (3560, 5659630), (4175, 4825936), (4450, 4527704), (6680, 3016210), (6778, 2972600), (7120, 2829815), (8350, 2412968), (8900, 2263852), (13360, 1508105), (13556, 1486300), (14863, 1355600), (16700, 1206484), (16945, 1189040), (17800, 1131926), (27112, 743150), (29726, 677800), (33400, 603242), (33890, 594520), (35600, 565963), (54224, 371575), (59452, 338900), (66800, 301621), (67780, 297260), (74315, 271120), (84725, 237808), (118904, 169450), (135560, 148630)]