64885700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{967}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 156281664

約数和(自身を除く): 91395964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 220, 244, 275, 305, 550, 610, 671, 967, 1100, 1220, 1342, 1525, 1934, 2684, 3050, 3355, 3868, 4835, 6100, 6710, 9670, 10637, 13420, 16775, 19340, 21274, 24175, 33550, 42548, 48350, 53185, 58987, 67100, 96700, 106370, 117974, 212740, 235948, 265925, 294935, 531850, 589870, 648857, 1063700, 1179740, 1297714, 1474675, 2595428, 2949350, 3244285, 5898700, 6488570, 12977140, 16221425, 32442850, 64885700]

約数ペア:

[(1, 64885700), (2, 32442850), (4, 16221425), (5, 12977140), (10, 6488570), (11, 5898700), (20, 3244285), (22, 2949350), (25, 2595428), (44, 1474675), (50, 1297714), (55, 1179740), (61, 1063700), (100, 648857), (110, 589870), (122, 531850), (220, 294935), (244, 265925), (275, 235948), (305, 212740), (550, 117974), (610, 106370), (671, 96700), (967, 67100), (1100, 58987), (1220, 53185), (1342, 48350), (1525, 42548), (1934, 33550), (2684, 24175), (3050, 21274), (3355, 19340), (3868, 16775), (4835, 13420), (6100, 10637), (6710, 9670)]