91427120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21563}}^1$

素因数の和:21629

約数の個数: 40

約数和(自身を含む): 216588816

約数和(自身を除く): 125161696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 21563, 43126, 86252, 107815, 172504, 215630, 345008, 431260, 862520, 1142839, 1725040, 2285678, 4571356, 5714195, 9142712, 11428390, 18285424, 22856780, 45713560, 91427120]

約数ペア:

[(1, 91427120), (2, 45713560), (4, 22856780), (5, 18285424), (8, 11428390), (10, 9142712), (16, 5714195), (20, 4571356), (40, 2285678), (53, 1725040), (80, 1142839), (106, 862520), (212, 431260), (265, 345008), (424, 215630), (530, 172504), (848, 107815), (1060, 86252), (2120, 43126), (4240, 21563)]