25623980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 57098496

約数和(自身を除く): 31474516

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1117, 1147, 2234, 2294, 4468, 4588, 5585, 5735, 11170, 11470, 22340, 22940, 34627, 41329, 69254, 82658, 138508, 165316, 173135, 206645, 346270, 413290, 692540, 826580, 1281199, 2562398, 5124796, 6405995, 12811990, 25623980]

約数ペア:

[(1, 25623980), (2, 12811990), (4, 6405995), (5, 5124796), (10, 2562398), (20, 1281199), (31, 826580), (37, 692540), (62, 413290), (74, 346270), (124, 206645), (148, 173135), (155, 165316), (185, 138508), (310, 82658), (370, 69254), (620, 41329), (740, 34627), (1117, 22940), (1147, 22340), (2234, 11470), (2294, 11170), (4468, 5735), (4588, 5585)]