26931250

素因数分解:

$2^1\times 5^5\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 25565390

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 139, 155, 250, 278, 310, 625, 695, 775, 1250, 1390, 1550, 3125, 3475, 3875, 4309, 6250, 6950, 7750, 8618, 17375, 19375, 21545, 34750, 38750, 43090, 86875, 96875, 107725, 173750, 193750, 215450, 434375, 538625, 868750, 1077250, 2693125, 5386250, 13465625, 26931250]

約数ペア:

[(1, 26931250), (2, 13465625), (5, 5386250), (10, 2693125), (25, 1077250), (31, 868750), (50, 538625), (62, 434375), (125, 215450), (139, 193750), (155, 173750), (250, 107725), (278, 96875), (310, 86875), (625, 43090), (695, 38750), (775, 34750), (1250, 21545), (1390, 19375), (1550, 17375), (3125, 8618), (3475, 7750), (3875, 6950), (4309, 6250)]