28992080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 73943184

約数和(自身を除く): 44951104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 457, 488, 520, 610, 793, 914, 976, 1040, 1220, 1586, 1828, 2285, 2440, 3172, 3656, 3965, 4570, 4880, 5941, 6344, 7312, 7930, 9140, 11882, 12688, 15860, 18280, 23764, 27877, 29705, 31720, 36560, 47528, 55754, 59410, 63440, 95056, 111508, 118820, 139385, 223016, 237640, 278770, 362401, 446032, 475280, 557540, 724802, 1115080, 1449604, 1812005, 2230160, 2899208, 3624010, 5798416, 7248020, 14496040, 28992080]

約数ペア:

[(1, 28992080), (2, 14496040), (4, 7248020), (5, 5798416), (8, 3624010), (10, 2899208), (13, 2230160), (16, 1812005), (20, 1449604), (26, 1115080), (40, 724802), (52, 557540), (61, 475280), (65, 446032), (80, 362401), (104, 278770), (122, 237640), (130, 223016), (208, 139385), (244, 118820), (260, 111508), (305, 95056), (457, 63440), (488, 59410), (520, 55754), (610, 47528), (793, 36560), (914, 31720), (976, 29705), (1040, 27877), (1220, 23764), (1586, 18280), (1828, 15860), (2285, 12688), (2440, 11882), (3172, 9140), (3656, 7930), (3965, 7312), (4570, 6344), (4880, 5941)]