12507440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 32381856

約数和(自身を除く): 19874416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 233, 244, 305, 440, 466, 488, 610, 671, 880, 932, 976, 1165, 1220, 1342, 1864, 2330, 2440, 2563, 2684, 3355, 3728, 4660, 4880, 5126, 5368, 6710, 9320, 10252, 10736, 12815, 13420, 14213, 18640, 20504, 25630, 26840, 28426, 41008, 51260, 53680, 56852, 71065, 102520, 113704, 142130, 156343, 205040, 227408, 284260, 312686, 568520, 625372, 781715, 1137040, 1250744, 1563430, 2501488, 3126860, 6253720, 12507440]

約数ペア:

[(1, 12507440), (2, 6253720), (4, 3126860), (5, 2501488), (8, 1563430), (10, 1250744), (11, 1137040), (16, 781715), (20, 625372), (22, 568520), (40, 312686), (44, 284260), (55, 227408), (61, 205040), (80, 156343), (88, 142130), (110, 113704), (122, 102520), (176, 71065), (220, 56852), (233, 53680), (244, 51260), (305, 41008), (440, 28426), (466, 26840), (488, 25630), (610, 20504), (671, 18640), (880, 14213), (932, 13420), (976, 12815), (1165, 10736), (1220, 10252), (1342, 9320), (1864, 6710), (2330, 5368), (2440, 5126), (2563, 4880), (2684, 4660), (3355, 3728)]