63978020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^2$

素因数の和:528

約数の個数: 36

約数和(自身を含む): 137155284

約数和(自身を除く): 73177264

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 229, 244, 305, 458, 610, 916, 1145, 1220, 2290, 4580, 13969, 27938, 52441, 55876, 69845, 104882, 139690, 209764, 262205, 279380, 524410, 1048820, 3198901, 6397802, 12795604, 15994505, 31989010, 63978020]

約数ペア:

[(1, 63978020), (2, 31989010), (4, 15994505), (5, 12795604), (10, 6397802), (20, 3198901), (61, 1048820), (122, 524410), (229, 279380), (244, 262205), (305, 209764), (458, 139690), (610, 104882), (916, 69845), (1145, 55876), (1220, 52441), (2290, 27938), (4580, 13969)]