68858750

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1830

約数の個数: 40

約数和(自身を含む): 133307328

約数和(自身を除く): 64448578

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 625, 775, 1250, 1550, 1777, 3554, 3875, 7750, 8885, 17770, 19375, 38750, 44425, 55087, 88850, 110174, 222125, 275435, 444250, 550870, 1110625, 1377175, 2221250, 2754350, 6885875, 13771750, 34429375, 68858750]

約数ペア:

[(1, 68858750), (2, 34429375), (5, 13771750), (10, 6885875), (25, 2754350), (31, 2221250), (50, 1377175), (62, 1110625), (125, 550870), (155, 444250), (250, 275435), (310, 222125), (625, 110174), (775, 88850), (1250, 55087), (1550, 44425), (1777, 38750), (3554, 19375), (3875, 17770), (7750, 8885)]