91120160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18371}}^1$

素因数の和:18417

約数の個数: 48

約数和(自身を含む): 222227712

約数和(自身を除く): 131107552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18371, 36742, 73484, 91855, 146968, 183710, 293936, 367420, 569501, 587872, 734840, 1139002, 1469680, 2278004, 2847505, 2939360, 4556008, 5695010, 9112016, 11390020, 18224032, 22780040, 45560080, 91120160]

約数ペア:

[(1, 91120160), (2, 45560080), (4, 22780040), (5, 18224032), (8, 11390020), (10, 9112016), (16, 5695010), (20, 4556008), (31, 2939360), (32, 2847505), (40, 2278004), (62, 1469680), (80, 1139002), (124, 734840), (155, 587872), (160, 569501), (248, 367420), (310, 293936), (496, 183710), (620, 146968), (992, 91855), (1240, 73484), (2480, 36742), (4960, 18371)]