21962522480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6695891}}^1$

素因数の和:6695945

約数の個数: 40

約数和(自身を含む): 52308308304

約数和(自身を除く): 30345785824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6695891, 13391782, 26783564, 33479455, 53567128, 66958910, 107134256, 133917820, 267835640, 274531531, 535671280, 549063062, 1098126124, 1372657655, 2196252248, 2745315310, 4392504496, 5490630620, 10981261240, 21962522480]

約数ペア:

[(1, 21962522480), (2, 10981261240), (4, 5490630620), (5, 4392504496), (8, 2745315310), (10, 2196252248), (16, 1372657655), (20, 1098126124), (40, 549063062), (41, 535671280), (80, 274531531), (82, 267835640), (164, 133917820), (205, 107134256), (328, 66958910), (410, 53567128), (656, 33479455), (820, 26783564), (1640, 13391782), (3280, 6695891)]