20147921680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1013}}^1\times {\mathrm{8573}}^1$

素因数の和:9628

約数の個数: 80

約数和(自身を含む): 48512720880

約数和(自身を除く): 28364799200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1013, 1160, 2026, 2320, 4052, 5065, 8104, 8573, 10130, 16208, 17146, 20260, 29377, 34292, 40520, 42865, 58754, 68584, 81040, 85730, 117508, 137168, 146885, 171460, 235016, 248617, 293770, 342920, 470032, 497234, 587540, 685840, 994468, 1175080, 1243085, 1988936, 2350160, 2486170, 3977872, 4972340, 8684449, 9944680, 17368898, 19889360, 34737796, 43422245, 69475592, 86844490, 138951184, 173688980, 251849021, 347377960, 503698042, 694755920, 1007396084, 1259245105, 2014792168, 2518490210, 4029584336, 5036980420, 10073960840, 20147921680]

約数ペア:

[(1, 20147921680), (2, 10073960840), (4, 5036980420), (5, 4029584336), (8, 2518490210), (10, 2014792168), (16, 1259245105), (20, 1007396084), (29, 694755920), (40, 503698042), (58, 347377960), (80, 251849021), (116, 173688980), (145, 138951184), (232, 86844490), (290, 69475592), (464, 43422245), (580, 34737796), (1013, 19889360), (1160, 17368898), (2026, 9944680), (2320, 8684449), (4052, 4972340), (5065, 3977872), (8104, 2486170), (8573, 2350160), (10130, 1988936), (16208, 1243085), (17146, 1175080), (20260, 994468), (29377, 685840), (34292, 587540), (40520, 497234), (42865, 470032), (58754, 342920), (68584, 293770), (81040, 248617), (85730, 235016), (117508, 171460), (137168, 146885)]