71831120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52817}}^1$

素因数の和:52847

約数の個数: 40

約数和(自身を含む): 176834664

約数和(自身を除く): 105003544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 52817, 105634, 211268, 264085, 422536, 528170, 845072, 897889, 1056340, 1795778, 2112680, 3591556, 4225360, 4489445, 7183112, 8978890, 14366224, 17957780, 35915560, 71831120]

約数ペア:

[(1, 71831120), (2, 35915560), (4, 17957780), (5, 14366224), (8, 8978890), (10, 7183112), (16, 4489445), (17, 4225360), (20, 3591556), (34, 2112680), (40, 1795778), (68, 1056340), (80, 897889), (85, 845072), (136, 528170), (170, 422536), (272, 264085), (340, 211268), (680, 105634), (1360, 52817)]