25272440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 59616000

約数和(自身を除く): 34343560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 229, 248, 310, 356, 445, 458, 620, 712, 890, 916, 1145, 1240, 1780, 1832, 2290, 2759, 3560, 4580, 5518, 7099, 9160, 11036, 13795, 14198, 20381, 22072, 27590, 28396, 35495, 40762, 55180, 56792, 70990, 81524, 101905, 110360, 141980, 163048, 203810, 283960, 407620, 631811, 815240, 1263622, 2527244, 3159055, 5054488, 6318110, 12636220, 25272440]

約数ペア:

[(1, 25272440), (2, 12636220), (4, 6318110), (5, 5054488), (8, 3159055), (10, 2527244), (20, 1263622), (31, 815240), (40, 631811), (62, 407620), (89, 283960), (124, 203810), (155, 163048), (178, 141980), (229, 110360), (248, 101905), (310, 81524), (356, 70990), (445, 56792), (458, 55180), (620, 40762), (712, 35495), (890, 28396), (916, 27590), (1145, 22072), (1240, 20381), (1780, 14198), (1832, 13795), (2290, 11036), (2759, 9160), (3560, 7099), (4580, 5518)]