23641960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 55890000

約数和(自身を除く): 32248040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 229, 232, 290, 356, 445, 458, 580, 712, 890, 916, 1145, 1160, 1780, 1832, 2290, 2581, 3560, 4580, 5162, 6641, 9160, 10324, 12905, 13282, 20381, 20648, 25810, 26564, 33205, 40762, 51620, 53128, 66410, 81524, 101905, 103240, 132820, 163048, 203810, 265640, 407620, 591049, 815240, 1182098, 2364196, 2955245, 4728392, 5910490, 11820980, 23641960]

約数ペア:

[(1, 23641960), (2, 11820980), (4, 5910490), (5, 4728392), (8, 2955245), (10, 2364196), (20, 1182098), (29, 815240), (40, 591049), (58, 407620), (89, 265640), (116, 203810), (145, 163048), (178, 132820), (229, 103240), (232, 101905), (290, 81524), (356, 66410), (445, 53128), (458, 51620), (580, 40762), (712, 33205), (890, 26564), (916, 25810), (1145, 20648), (1160, 20381), (1780, 13282), (1832, 12905), (2290, 10324), (2581, 9160), (3560, 6641), (4580, 5162)]