81733360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32957}}^1$

素因数の和:33001

約数の個数: 40

約数和(自身を含む): 196166016

約数和(自身を除く): 114432656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32957, 65914, 131828, 164785, 263656, 329570, 527312, 659140, 1021667, 1318280, 2043334, 2636560, 4086668, 5108335, 8173336, 10216670, 16346672, 20433340, 40866680, 81733360]

約数ペア:

[(1, 81733360), (2, 40866680), (4, 20433340), (5, 16346672), (8, 10216670), (10, 8173336), (16, 5108335), (20, 4086668), (31, 2636560), (40, 2043334), (62, 1318280), (80, 1021667), (124, 659140), (155, 527312), (248, 329570), (310, 263656), (496, 164785), (620, 131828), (1240, 65914), (2480, 32957)]