31267860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40087}}^1$

素因数の和:40112

約数の個数: 48

約数和(自身を含む): 94286976

約数和(自身を除く): 63019116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40087, 80174, 120261, 160348, 200435, 240522, 400870, 481044, 521131, 601305, 801740, 1042262, 1202610, 1563393, 2084524, 2405220, 2605655, 3126786, 5211310, 6253572, 7816965, 10422620, 15633930, 31267860]

約数ペア:

[(1, 31267860), (2, 15633930), (3, 10422620), (4, 7816965), (5, 6253572), (6, 5211310), (10, 3126786), (12, 2605655), (13, 2405220), (15, 2084524), (20, 1563393), (26, 1202610), (30, 1042262), (39, 801740), (52, 601305), (60, 521131), (65, 481044), (78, 400870), (130, 240522), (156, 200435), (195, 160348), (260, 120261), (390, 80174), (780, 40087)]