20220640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11489}}^1$

素因数の和:11515

約数の個数: 48

約数和(自身を含む): 52118640

約数和(自身を除く): 31898000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11489, 22978, 45956, 57445, 91912, 114890, 126379, 183824, 229780, 252758, 367648, 459560, 505516, 631895, 919120, 1011032, 1263790, 1838240, 2022064, 2527580, 4044128, 5055160, 10110320, 20220640]

約数ペア:

[(1, 20220640), (2, 10110320), (4, 5055160), (5, 4044128), (8, 2527580), (10, 2022064), (11, 1838240), (16, 1263790), (20, 1011032), (22, 919120), (32, 631895), (40, 505516), (44, 459560), (55, 367648), (80, 252758), (88, 229780), (110, 183824), (160, 126379), (176, 114890), (220, 91912), (352, 57445), (440, 45956), (880, 22978), (1760, 11489)]