80853340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 174545280

約数和(自身を除く): 93691940

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 701, 730, 790, 1402, 1460, 1580, 2804, 3505, 5767, 7010, 11534, 14020, 23068, 28835, 51173, 55379, 57670, 102346, 110758, 115340, 204692, 221516, 255865, 276895, 511730, 553790, 1023460, 1107580, 4042667, 8085334, 16170668, 20213335, 40426670, 80853340]

約数ペア:

[(1, 80853340), (2, 40426670), (4, 20213335), (5, 16170668), (10, 8085334), (20, 4042667), (73, 1107580), (79, 1023460), (146, 553790), (158, 511730), (292, 276895), (316, 255865), (365, 221516), (395, 204692), (701, 115340), (730, 110758), (790, 102346), (1402, 57670), (1460, 55379), (1580, 51173), (2804, 28835), (3505, 23068), (5767, 14020), (7010, 11534)]