2019291020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{5081}}^1$

素因数の和:5762

約数の個数: 48

約数和(自身を含む): 4384993536

約数和(自身を除く): 2365702516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 641, 1282, 2564, 3205, 5081, 6410, 10162, 12820, 19871, 20324, 25405, 39742, 50810, 79484, 99355, 101620, 157511, 198710, 315022, 397420, 630044, 787555, 1575110, 3150220, 3256921, 6513842, 13027684, 16284605, 32569210, 65138420, 100964551, 201929102, 403858204, 504822755, 1009645510, 2019291020]

約数ペア:

[(1, 2019291020), (2, 1009645510), (4, 504822755), (5, 403858204), (10, 201929102), (20, 100964551), (31, 65138420), (62, 32569210), (124, 16284605), (155, 13027684), (310, 6513842), (620, 3256921), (641, 3150220), (1282, 1575110), (2564, 787555), (3205, 630044), (5081, 397420), (6410, 315022), (10162, 198710), (12820, 157511), (19871, 101620), (20324, 99355), (25405, 79484), (39742, 50810)]