12604820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 28340928

約数和(自身を除く): 15736108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 283, 340, 524, 566, 655, 1132, 1310, 1415, 2227, 2620, 2830, 4454, 4811, 5660, 8908, 9622, 11135, 19244, 22270, 24055, 37073, 44540, 48110, 74146, 96220, 148292, 185365, 370730, 630241, 741460, 1260482, 2520964, 3151205, 6302410, 12604820]

約数ペア:

[(1, 12604820), (2, 6302410), (4, 3151205), (5, 2520964), (10, 1260482), (17, 741460), (20, 630241), (34, 370730), (68, 185365), (85, 148292), (131, 96220), (170, 74146), (262, 48110), (283, 44540), (340, 37073), (524, 24055), (566, 22270), (655, 19244), (1132, 11135), (1310, 9622), (1415, 8908), (2227, 5660), (2620, 4811), (2830, 4454)]