40352520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25867}}^1$

素因数の和:25894

約数の個数: 64

約数和(自身を含む): 130374720

約数和(自身を除く): 90022200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 25867, 51734, 77601, 103468, 129335, 155202, 206936, 258670, 310404, 336271, 388005, 517340, 620808, 672542, 776010, 1008813, 1034680, 1345084, 1552020, 1681355, 2017626, 2690168, 3104040, 3362710, 4035252, 5044065, 6725420, 8070504, 10088130, 13450840, 20176260, 40352520]

約数ペア:

[(1, 40352520), (2, 20176260), (3, 13450840), (4, 10088130), (5, 8070504), (6, 6725420), (8, 5044065), (10, 4035252), (12, 3362710), (13, 3104040), (15, 2690168), (20, 2017626), (24, 1681355), (26, 1552020), (30, 1345084), (39, 1034680), (40, 1008813), (52, 776010), (60, 672542), (65, 620808), (78, 517340), (104, 388005), (120, 336271), (130, 310404), (156, 258670), (195, 206936), (260, 155202), (312, 129335), (390, 103468), (520, 77601), (780, 51734), (1560, 25867)]