31257460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5227}}^1$

素因数の和:5272

約数の個数: 48

約数和(自身を含む): 73777536

約数和(自身を除く): 42520076

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5227, 5980, 10454, 20908, 26135, 52270, 67951, 104540, 120221, 135902, 240442, 271804, 339755, 480884, 601105, 679510, 1202210, 1359020, 1562873, 2404420, 3125746, 6251492, 7814365, 15628730, 31257460]

約数ペア:

[(1, 31257460), (2, 15628730), (4, 7814365), (5, 6251492), (10, 3125746), (13, 2404420), (20, 1562873), (23, 1359020), (26, 1202210), (46, 679510), (52, 601105), (65, 480884), (92, 339755), (115, 271804), (130, 240442), (230, 135902), (260, 120221), (299, 104540), (460, 67951), (598, 52270), (1196, 26135), (1495, 20908), (2990, 10454), (5227, 5980)]