80244320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 206260992

約数和(自身を除く): 126016672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 173, 208, 223, 260, 346, 416, 446, 520, 692, 865, 892, 1040, 1115, 1384, 1730, 1784, 2080, 2230, 2249, 2768, 2899, 3460, 3568, 4460, 4498, 5536, 5798, 6920, 7136, 8920, 8996, 11245, 11596, 13840, 14495, 17840, 17992, 22490, 23192, 27680, 28990, 35680, 35984, 38579, 44980, 46384, 57980, 71968, 77158, 89960, 92768, 115960, 154316, 179920, 192895, 231920, 308632, 359840, 385790, 463840, 501527, 617264, 771580, 1003054, 1234528, 1543160, 2006108, 2507635, 3086320, 4012216, 5015270, 6172640, 8024432, 10030540, 16048864, 20061080, 40122160, 80244320]

約数ペア:

[(1, 80244320), (2, 40122160), (4, 20061080), (5, 16048864), (8, 10030540), (10, 8024432), (13, 6172640), (16, 5015270), (20, 4012216), (26, 3086320), (32, 2507635), (40, 2006108), (52, 1543160), (65, 1234528), (80, 1003054), (104, 771580), (130, 617264), (160, 501527), (173, 463840), (208, 385790), (223, 359840), (260, 308632), (346, 231920), (416, 192895), (446, 179920), (520, 154316), (692, 115960), (865, 92768), (892, 89960), (1040, 77158), (1115, 71968), (1384, 57980), (1730, 46384), (1784, 44980), (2080, 38579), (2230, 35984), (2249, 35680), (2768, 28990), (2899, 27680), (3460, 23192), (3568, 22490), (4460, 17992), (4498, 17840), (5536, 14495), (5798, 13840), (6920, 11596), (7136, 11245), (8920, 8996)]