29752720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 74245248

約数和(自身を除く): 44492528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 131, 136, 167, 170, 262, 272, 334, 340, 524, 655, 668, 680, 835, 1048, 1310, 1336, 1360, 1670, 2096, 2227, 2620, 2672, 2839, 3340, 4454, 5240, 5678, 6680, 8908, 10480, 11135, 11356, 13360, 14195, 17816, 21877, 22270, 22712, 28390, 35632, 43754, 44540, 45424, 56780, 87508, 89080, 109385, 113560, 175016, 178160, 218770, 227120, 350032, 371909, 437540, 743818, 875080, 1487636, 1750160, 1859545, 2975272, 3719090, 5950544, 7438180, 14876360, 29752720]

約数ペア:

[(1, 29752720), (2, 14876360), (4, 7438180), (5, 5950544), (8, 3719090), (10, 2975272), (16, 1859545), (17, 1750160), (20, 1487636), (34, 875080), (40, 743818), (68, 437540), (80, 371909), (85, 350032), (131, 227120), (136, 218770), (167, 178160), (170, 175016), (262, 113560), (272, 109385), (334, 89080), (340, 87508), (524, 56780), (655, 45424), (668, 44540), (680, 43754), (835, 35632), (1048, 28390), (1310, 22712), (1336, 22270), (1360, 21877), (1670, 17816), (2096, 14195), (2227, 13360), (2620, 11356), (2672, 11135), (2839, 10480), (3340, 8908), (4454, 6680), (5240, 5678)]