12936880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 33488928

約数和(自身を除く): 20552048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 241, 244, 305, 440, 482, 488, 610, 671, 880, 964, 976, 1205, 1220, 1342, 1928, 2410, 2440, 2651, 2684, 3355, 3856, 4820, 4880, 5302, 5368, 6710, 9640, 10604, 10736, 13255, 13420, 14701, 19280, 21208, 26510, 26840, 29402, 42416, 53020, 53680, 58804, 73505, 106040, 117608, 147010, 161711, 212080, 235216, 294020, 323422, 588040, 646844, 808555, 1176080, 1293688, 1617110, 2587376, 3234220, 6468440, 12936880]

約数ペア:

[(1, 12936880), (2, 6468440), (4, 3234220), (5, 2587376), (8, 1617110), (10, 1293688), (11, 1176080), (16, 808555), (20, 646844), (22, 588040), (40, 323422), (44, 294020), (55, 235216), (61, 212080), (80, 161711), (88, 147010), (110, 117608), (122, 106040), (176, 73505), (220, 58804), (241, 53680), (244, 53020), (305, 42416), (440, 29402), (482, 26840), (488, 26510), (610, 21208), (671, 19280), (880, 14701), (964, 13420), (976, 13255), (1205, 10736), (1220, 10604), (1342, 9640), (1928, 6710), (2410, 5368), (2440, 5302), (2651, 4880), (2684, 4820), (3355, 3856)]