31378360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60343}}^1$

素因数の和:60367

約数の個数: 32

約数和(自身を含む): 76033440

約数和(自身を除く): 44655080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60343, 120686, 241372, 301715, 482744, 603430, 784459, 1206860, 1568918, 2413720, 3137836, 3922295, 6275672, 7844590, 15689180, 31378360]

約数ペア:

[(1, 31378360), (2, 15689180), (4, 7844590), (5, 6275672), (8, 3922295), (10, 3137836), (13, 2413720), (20, 1568918), (26, 1206860), (40, 784459), (52, 603430), (65, 482744), (104, 301715), (130, 241372), (260, 120686), (520, 60343)]