64239920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34913}}^1$

素因数の和:34949

約数の個数: 40

約数和(自身を含む): 155856096

約数和(自身を除く): 91616176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 34913, 69826, 139652, 174565, 279304, 349130, 558608, 698260, 802999, 1396520, 1605998, 2793040, 3211996, 4014995, 6423992, 8029990, 12847984, 16059980, 32119960, 64239920]

約数ペア:

[(1, 64239920), (2, 32119960), (4, 16059980), (5, 12847984), (8, 8029990), (10, 6423992), (16, 4014995), (20, 3211996), (23, 2793040), (40, 1605998), (46, 1396520), (80, 802999), (92, 698260), (115, 558608), (184, 349130), (230, 279304), (368, 174565), (460, 139652), (920, 69826), (1840, 34913)]