10212800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:526

約数の個数: 84

約数和(自身を含む): 27118056

約数和(自身を除く): 16905256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 491, 520, 650, 800, 832, 982, 1040, 1300, 1600, 1964, 2080, 2455, 2600, 3928, 4160, 4910, 5200, 6383, 7856, 9820, 10400, 12275, 12766, 15712, 19640, 20800, 24550, 25532, 31424, 31915, 39280, 49100, 51064, 63830, 78560, 98200, 102128, 127660, 157120, 159575, 196400, 204256, 255320, 319150, 392800, 408512, 510640, 638300, 785600, 1021280, 1276600, 2042560, 2553200, 5106400, 10212800]

約数ペア:

[(1, 10212800), (2, 5106400), (4, 2553200), (5, 2042560), (8, 1276600), (10, 1021280), (13, 785600), (16, 638300), (20, 510640), (25, 408512), (26, 392800), (32, 319150), (40, 255320), (50, 204256), (52, 196400), (64, 159575), (65, 157120), (80, 127660), (100, 102128), (104, 98200), (130, 78560), (160, 63830), (200, 51064), (208, 49100), (260, 39280), (320, 31915), (325, 31424), (400, 25532), (416, 24550), (491, 20800), (520, 19640), (650, 15712), (800, 12766), (832, 12275), (982, 10400), (1040, 9820), (1300, 7856), (1600, 6383), (1964, 5200), (2080, 4910), (2455, 4160), (2600, 3928)]