64094840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 149160960

約数和(自身を除く): 85066120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 103, 188, 206, 235, 331, 376, 412, 470, 515, 662, 824, 940, 1030, 1324, 1655, 1880, 2060, 2648, 3310, 4120, 4841, 6620, 9682, 13240, 15557, 19364, 24205, 31114, 34093, 38728, 48410, 62228, 68186, 77785, 96820, 124456, 136372, 155570, 170465, 193640, 272744, 311140, 340930, 622280, 681860, 1363720, 1602371, 3204742, 6409484, 8011855, 12818968, 16023710, 32047420, 64094840]

約数ペア:

[(1, 64094840), (2, 32047420), (4, 16023710), (5, 12818968), (8, 8011855), (10, 6409484), (20, 3204742), (40, 1602371), (47, 1363720), (94, 681860), (103, 622280), (188, 340930), (206, 311140), (235, 272744), (331, 193640), (376, 170465), (412, 155570), (470, 136372), (515, 124456), (662, 96820), (824, 77785), (940, 68186), (1030, 62228), (1324, 48410), (1655, 38728), (1880, 34093), (2060, 31114), (2648, 24205), (3310, 19364), (4120, 15557), (4841, 13240), (6620, 9682)]