65801920

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3371}}^1$

素因数の和:3449

約数の個数: 56

約数和(自身を含む): 159306768

約数和(自身を除く): 93504848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3371, 3904, 4880, 6742, 9760, 13484, 16855, 19520, 26968, 33710, 53936, 67420, 107872, 134840, 205631, 215744, 269680, 411262, 539360, 822524, 1028155, 1078720, 1645048, 2056310, 3290096, 4112620, 6580192, 8225240, 13160384, 16450480, 32900960, 65801920]

約数ペア:

[(1, 65801920), (2, 32900960), (4, 16450480), (5, 13160384), (8, 8225240), (10, 6580192), (16, 4112620), (20, 3290096), (32, 2056310), (40, 1645048), (61, 1078720), (64, 1028155), (80, 822524), (122, 539360), (160, 411262), (244, 269680), (305, 215744), (320, 205631), (488, 134840), (610, 107872), (976, 67420), (1220, 53936), (1952, 33710), (2440, 26968), (3371, 19520), (3904, 16855), (4880, 13484), (6742, 9760)]