80458415980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1\times {\mathrm{72817}}^1$

素因数の和:73474

約数の個数: 48

約数和(自身を含む): 170949866976

約数和(自身を除く): 90491450996

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 547, 1010, 1094, 2020, 2188, 2735, 5470, 10940, 55247, 72817, 110494, 145634, 220988, 276235, 291268, 364085, 552470, 728170, 1104940, 1456340, 7354517, 14709034, 29418068, 36772585, 39830899, 73545170, 79661798, 147090340, 159323596, 199154495, 398308990, 796617980, 4022920799, 8045841598, 16091683196, 20114603995, 40229207990, 80458415980]

約数ペア:

[(1, 80458415980), (2, 40229207990), (4, 20114603995), (5, 16091683196), (10, 8045841598), (20, 4022920799), (101, 796617980), (202, 398308990), (404, 199154495), (505, 159323596), (547, 147090340), (1010, 79661798), (1094, 73545170), (2020, 39830899), (2188, 36772585), (2735, 29418068), (5470, 14709034), (10940, 7354517), (55247, 1456340), (72817, 1104940), (110494, 728170), (145634, 552470), (220988, 364085), (276235, 291268)]