65217750

素因数分解:

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

素因数の和:6722

約数の個数: 64

約数和(自身を含む): 175331520

約数和(自身を除く): 110113770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 3250, 4875, 6689, 9750, 13378, 20067, 33445, 40134, 66890, 86957, 100335, 167225, 173914, 200670, 260871, 334450, 434785, 501675, 521742, 836125, 869570, 1003350, 1304355, 1672250, 2173925, 2508375, 2608710, 4347850, 5016750, 6521775, 10869625, 13043550, 21739250, 32608875, 65217750]

約数ペア:

[(1, 65217750), (2, 32608875), (3, 21739250), (5, 13043550), (6, 10869625), (10, 6521775), (13, 5016750), (15, 4347850), (25, 2608710), (26, 2508375), (30, 2173925), (39, 1672250), (50, 1304355), (65, 1003350), (75, 869570), (78, 836125), (125, 521742), (130, 501675), (150, 434785), (195, 334450), (250, 260871), (325, 200670), (375, 173914), (390, 167225), (650, 100335), (750, 86957), (975, 66890), (1625, 40134), (1950, 33445), (3250, 20067), (4875, 13378), (6689, 9750)]