79786250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 80

約数和(自身を含む): 161948160

約数和(自身を除く): 82161910

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 71, 125, 142, 145, 155, 250, 290, 310, 355, 625, 710, 725, 775, 899, 1250, 1450, 1550, 1775, 1798, 2059, 2201, 3550, 3625, 3875, 4118, 4402, 4495, 7250, 7750, 8875, 8990, 10295, 11005, 17750, 18125, 19375, 20590, 22010, 22475, 36250, 38750, 44375, 44950, 51475, 55025, 63829, 88750, 102950, 110050, 112375, 127658, 224750, 257375, 275125, 319145, 514750, 550250, 561875, 638290, 1123750, 1286875, 1375625, 1595725, 2573750, 2751250, 3191450, 7978625, 15957250, 39893125, 79786250]

約数ペア:

[(1, 79786250), (2, 39893125), (5, 15957250), (10, 7978625), (25, 3191450), (29, 2751250), (31, 2573750), (50, 1595725), (58, 1375625), (62, 1286875), (71, 1123750), (125, 638290), (142, 561875), (145, 550250), (155, 514750), (250, 319145), (290, 275125), (310, 257375), (355, 224750), (625, 127658), (710, 112375), (725, 110050), (775, 102950), (899, 88750), (1250, 63829), (1450, 55025), (1550, 51475), (1775, 44950), (1798, 44375), (2059, 38750), (2201, 36250), (3550, 22475), (3625, 22010), (3875, 20590), (4118, 19375), (4402, 18125), (4495, 17750), (7250, 11005), (7750, 10295), (8875, 8990)]