66087320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6689}}^1$

素因数の和:6732

約数の個数: 64

約数和(自身を含む): 168588000

約数和(自身を除く): 102500680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 6689, 9880, 13378, 26756, 33445, 53512, 66890, 86957, 127091, 133780, 173914, 254182, 267560, 347828, 434785, 508364, 635455, 695656, 869570, 1016728, 1270910, 1652183, 1739140, 2541820, 3304366, 3478280, 5083640, 6608732, 8260915, 13217464, 16521830, 33043660, 66087320]

約数ペア:

[(1, 66087320), (2, 33043660), (4, 16521830), (5, 13217464), (8, 8260915), (10, 6608732), (13, 5083640), (19, 3478280), (20, 3304366), (26, 2541820), (38, 1739140), (40, 1652183), (52, 1270910), (65, 1016728), (76, 869570), (95, 695656), (104, 635455), (130, 508364), (152, 434785), (190, 347828), (247, 267560), (260, 254182), (380, 173914), (494, 133780), (520, 127091), (760, 86957), (988, 66890), (1235, 53512), (1976, 33445), (2470, 26756), (4940, 13378), (6689, 9880)]