12958520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2473}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 29391120

約数和(自身を除く): 16432600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2473, 2620, 4946, 5240, 9892, 12365, 19784, 24730, 49460, 98920, 323963, 647926, 1295852, 1619815, 2591704, 3239630, 6479260, 12958520]

約数ペア:

[(1, 12958520), (2, 6479260), (4, 3239630), (5, 2591704), (8, 1619815), (10, 1295852), (20, 647926), (40, 323963), (131, 98920), (262, 49460), (524, 24730), (655, 19784), (1048, 12365), (1310, 9892), (2473, 5240), (2620, 4946)]