169898480

素因数分解:

$2^4\times 5^1\times {\mathrm{2123731}}^1$

素因数の和:2123744

約数の個数: 20

約数和(自身を含む): 395014152

約数和(自身を除く): 225115672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2123731, 4247462, 8494924, 10618655, 16989848, 21237310, 33979696, 42474620, 84949240, 169898480]

約数ペア:

[(1, 169898480), (2, 84949240), (4, 42474620), (5, 33979696), (8, 21237310), (10, 16989848), (16, 10618655), (20, 8494924), (40, 4247462), (80, 2123731)]