90005560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77591}}^1$

素因数の和:77631

約数の個数: 32

約数和(自身を含む): 209498400

約数和(自身を除く): 119492840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 77591, 155182, 310364, 387955, 620728, 775910, 1551820, 2250139, 3103640, 4500278, 9000556, 11250695, 18001112, 22501390, 45002780, 90005560]

約数ペア:

[(1, 90005560), (2, 45002780), (4, 22501390), (5, 18001112), (8, 11250695), (10, 9000556), (20, 4500278), (29, 3103640), (40, 2250139), (58, 1551820), (116, 775910), (145, 620728), (232, 387955), (290, 310364), (580, 155182), (1160, 77591)]