22173560

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1129}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 50036400

約数和(自身を除く): 27862840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1129, 1964, 2258, 2455, 3928, 4516, 4910, 5645, 9032, 9820, 11290, 19640, 22580, 45160, 554339, 1108678, 2217356, 2771695, 4434712, 5543390, 11086780, 22173560]

約数ペア:

[(1, 22173560), (2, 11086780), (4, 5543390), (5, 4434712), (8, 2771695), (10, 2217356), (20, 1108678), (40, 554339), (491, 45160), (982, 22580), (1129, 19640), (1964, 11290), (2258, 9820), (2455, 9032), (3928, 5645), (4516, 4910)]