108809620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{61129}}^1$

素因数の和:61227

約数の個数: 24

約数和(自身を含む): 231071400

約数和(自身を除く): 122261780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 61129, 122258, 244516, 305645, 611290, 1222580, 5440481, 10880962, 21761924, 27202405, 54404810, 108809620]

約数ペア:

[(1, 108809620), (2, 54404810), (4, 27202405), (5, 21761924), (10, 10880962), (20, 5440481), (89, 1222580), (178, 611290), (356, 305645), (445, 244516), (890, 122258), (1780, 61129)]