23565580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 51609600

約数和(自身を除く): 28044020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 199, 310, 382, 398, 620, 764, 796, 955, 995, 1910, 1990, 3820, 3980, 5921, 6169, 11842, 12338, 23684, 24676, 29605, 30845, 38009, 59210, 61690, 76018, 118420, 123380, 152036, 190045, 380090, 760180, 1178279, 2356558, 4713116, 5891395, 11782790, 23565580]

約数ペア:

[(1, 23565580), (2, 11782790), (4, 5891395), (5, 4713116), (10, 2356558), (20, 1178279), (31, 760180), (62, 380090), (124, 190045), (155, 152036), (191, 123380), (199, 118420), (310, 76018), (382, 61690), (398, 59210), (620, 38009), (764, 30845), (796, 29605), (955, 24676), (995, 23684), (1910, 12338), (1990, 11842), (3820, 6169), (3980, 5921)]