68261680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44909}}^1$

素因数の和:44941

約数の個数: 40

約数和(自身を含む): 167065200

約数和(自身を除く): 98803520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 44909, 89818, 179636, 224545, 359272, 449090, 718544, 853271, 898180, 1706542, 1796360, 3413084, 3592720, 4266355, 6826168, 8532710, 13652336, 17065420, 34130840, 68261680]

約数ペア:

[(1, 68261680), (2, 34130840), (4, 17065420), (5, 13652336), (8, 8532710), (10, 6826168), (16, 4266355), (19, 3592720), (20, 3413084), (38, 1796360), (40, 1706542), (76, 898180), (80, 853271), (95, 718544), (152, 449090), (190, 359272), (304, 224545), (380, 179636), (760, 89818), (1520, 44909)]