15957250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 32348160

約数和(自身を除く): 16390910

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 71, 125, 142, 145, 155, 250, 290, 310, 355, 710, 725, 775, 899, 1450, 1550, 1775, 1798, 2059, 2201, 3550, 3625, 3875, 4118, 4402, 4495, 7250, 7750, 8875, 8990, 10295, 11005, 17750, 20590, 22010, 22475, 44950, 51475, 55025, 63829, 102950, 110050, 112375, 127658, 224750, 257375, 275125, 319145, 514750, 550250, 638290, 1595725, 3191450, 7978625, 15957250]

約数ペア:

[(1, 15957250), (2, 7978625), (5, 3191450), (10, 1595725), (25, 638290), (29, 550250), (31, 514750), (50, 319145), (58, 275125), (62, 257375), (71, 224750), (125, 127658), (142, 112375), (145, 110050), (155, 102950), (250, 63829), (290, 55025), (310, 51475), (355, 44950), (710, 22475), (725, 22010), (775, 20590), (899, 17750), (1450, 11005), (1550, 10295), (1775, 8990), (1798, 8875), (2059, 7750), (2201, 7250), (3550, 4495), (3625, 4402), (3875, 4118)]