71402720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26251}}^1$

素因数の和:26283

約数の個数: 48

約数和(自身を含む): 178618608

約数和(自身を除く): 107215888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 26251, 52502, 105004, 131255, 210008, 262510, 420016, 446267, 525020, 840032, 892534, 1050040, 1785068, 2100080, 2231335, 3570136, 4200160, 4462670, 7140272, 8925340, 14280544, 17850680, 35701360, 71402720]

約数ペア:

[(1, 71402720), (2, 35701360), (4, 17850680), (5, 14280544), (8, 8925340), (10, 7140272), (16, 4462670), (17, 4200160), (20, 3570136), (32, 2231335), (34, 2100080), (40, 1785068), (68, 1050040), (80, 892534), (85, 840032), (136, 525020), (160, 446267), (170, 420016), (272, 262510), (340, 210008), (544, 131255), (680, 105004), (1360, 52502), (2720, 26251)]