90519910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3847}}^1$

素因数の和:4048

約数の個数: 32

約数和(自身を含む): 176484672

約数和(自身を除く): 85964762

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 905, 1810, 2353, 3847, 4706, 7694, 11765, 19235, 23530, 38470, 50011, 100022, 250055, 500110, 696307, 1392614, 3481535, 6963070, 9051991, 18103982, 45259955, 90519910]

約数ペア:

[(1, 90519910), (2, 45259955), (5, 18103982), (10, 9051991), (13, 6963070), (26, 3481535), (65, 1392614), (130, 696307), (181, 500110), (362, 250055), (905, 100022), (1810, 50011), (2353, 38470), (3847, 23530), (4706, 19235), (7694, 11765)]