40069466320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2027807}}^1$

素因数の和:2027852

約数の個数: 80

約数和(自身を含む): 105608240640

約数和(自身を除く): 65538774320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 2027807, 4055614, 8111228, 10139035, 16222456, 20278070, 26361491, 32444912, 38528333, 40556140, 52722982, 77056666, 81112280, 105445964, 131807455, 154113332, 162224560, 192641665, 210891928, 263614910, 308226664, 385283330, 421783856, 500868329, 527229820, 616453328, 770566660, 1001736658, 1054459640, 1541133320, 2003473316, 2108919280, 2504341645, 3082266640, 4006946632, 5008683290, 8013893264, 10017366580, 20034733160, 40069466320]

約数ペア:

[(1, 40069466320), (2, 20034733160), (4, 10017366580), (5, 8013893264), (8, 5008683290), (10, 4006946632), (13, 3082266640), (16, 2504341645), (19, 2108919280), (20, 2003473316), (26, 1541133320), (38, 1054459640), (40, 1001736658), (52, 770566660), (65, 616453328), (76, 527229820), (80, 500868329), (95, 421783856), (104, 385283330), (130, 308226664), (152, 263614910), (190, 210891928), (208, 192641665), (247, 162224560), (260, 154113332), (304, 131807455), (380, 105445964), (494, 81112280), (520, 77056666), (760, 52722982), (988, 40556140), (1040, 38528333), (1235, 32444912), (1520, 26361491), (1976, 20278070), (2470, 16222456), (3952, 10139035), (4940, 8111228), (9880, 4055614), (19760, 2027807)]