13756250

素因数分解:

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

素因数の和:129

約数の個数: 48

約数和(自身を含む): 26998272

約数和(自身を除く): 13242022

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 125, 142, 155, 250, 310, 355, 625, 710, 775, 1250, 1550, 1775, 2201, 3125, 3550, 3875, 4402, 6250, 7750, 8875, 11005, 17750, 19375, 22010, 38750, 44375, 55025, 88750, 96875, 110050, 193750, 221875, 275125, 443750, 550250, 1375625, 2751250, 6878125, 13756250]

約数ペア:

[(1, 13756250), (2, 6878125), (5, 2751250), (10, 1375625), (25, 550250), (31, 443750), (50, 275125), (62, 221875), (71, 193750), (125, 110050), (142, 96875), (155, 88750), (250, 55025), (310, 44375), (355, 38750), (625, 22010), (710, 19375), (775, 17750), (1250, 11005), (1550, 8875), (1775, 7750), (2201, 6250), (3125, 4402), (3550, 3875)]