71687500

素因数分解:

$2^2\times 5^6\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 84

約数和(自身を含む): 166247872

約数和(自身を除く): 94560372

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 37, 50, 62, 74, 100, 124, 125, 148, 155, 185, 250, 310, 370, 500, 620, 625, 740, 775, 925, 1147, 1250, 1550, 1850, 2294, 2500, 3100, 3125, 3700, 3875, 4588, 4625, 5735, 6250, 7750, 9250, 11470, 12500, 15500, 15625, 18500, 19375, 22940, 23125, 28675, 31250, 38750, 46250, 57350, 62500, 77500, 92500, 96875, 114700, 115625, 143375, 193750, 231250, 286750, 387500, 462500, 484375, 573500, 578125, 716875, 968750, 1156250, 1433750, 1937500, 2312500, 2867500, 3584375, 7168750, 14337500, 17921875, 35843750, 71687500]

約数ペア:

[(1, 71687500), (2, 35843750), (4, 17921875), (5, 14337500), (10, 7168750), (20, 3584375), (25, 2867500), (31, 2312500), (37, 1937500), (50, 1433750), (62, 1156250), (74, 968750), (100, 716875), (124, 578125), (125, 573500), (148, 484375), (155, 462500), (185, 387500), (250, 286750), (310, 231250), (370, 193750), (500, 143375), (620, 115625), (625, 114700), (740, 96875), (775, 92500), (925, 77500), (1147, 62500), (1250, 57350), (1550, 46250), (1850, 38750), (2294, 31250), (2500, 28675), (3100, 23125), (3125, 22940), (3700, 19375), (3875, 18500), (4588, 15625), (4625, 15500), (5735, 12500), (6250, 11470), (7750, 9250)]