38779731640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4673}}^1\times {\mathrm{15959}}^1$

素因数の和:20656

約数の個数: 64

約数和(自身を含む): 93992270400

約数和(自身を除く): 55212538760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4673, 9346, 15959, 18692, 23365, 31918, 37384, 46730, 60749, 63836, 79795, 93460, 121498, 127672, 159590, 186920, 207467, 242996, 303745, 319180, 414934, 485992, 607490, 638360, 829868, 1037335, 1214980, 1659736, 2074670, 2429960, 4149340, 8298680, 74576407, 149152814, 298305628, 372882035, 596611256, 745764070, 969493291, 1491528140, 1938986582, 2983056280, 3877973164, 4847466455, 7755946328, 9694932910, 19389865820, 38779731640]

約数ペア:

[(1, 38779731640), (2, 19389865820), (4, 9694932910), (5, 7755946328), (8, 4847466455), (10, 3877973164), (13, 2983056280), (20, 1938986582), (26, 1491528140), (40, 969493291), (52, 745764070), (65, 596611256), (104, 372882035), (130, 298305628), (260, 149152814), (520, 74576407), (4673, 8298680), (9346, 4149340), (15959, 2429960), (18692, 2074670), (23365, 1659736), (31918, 1214980), (37384, 1037335), (46730, 829868), (60749, 638360), (63836, 607490), (79795, 485992), (93460, 414934), (121498, 319180), (127672, 303745), (159590, 242996), (186920, 207467)]