22420640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12739}}^1$

素因数の和:12765

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 35368000

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, 12739, 25478, 50956, 63695, 101912, 127390, 140129, 203824, 254780, 280258, 407648, 509560, 560516, 700645, 1019120, 1121032, 1401290, 2038240, 2242064, 2802580, 4484128, 5605160, 11210320, 22420640]

約数ペア:

[(1, 22420640), (2, 11210320), (4, 5605160), (5, 4484128), (8, 2802580), (10, 2242064), (11, 2038240), (16, 1401290), (20, 1121032), (22, 1019120), (32, 700645), (40, 560516), (44, 509560), (55, 407648), (80, 280258), (88, 254780), (110, 203824), (160, 140129), (176, 127390), (220, 101912), (352, 63695), (440, 50956), (880, 25478), (1760, 12739)]