1330696820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{7691}}^1$

素因数の和:7952

約数の個数: 48

約数和(自身を含む): 2876561856

約数和(自身を除く): 1545865036

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 211, 410, 422, 820, 844, 1055, 2110, 4220, 7691, 8651, 15382, 17302, 30764, 34604, 38455, 43255, 76910, 86510, 153820, 173020, 315331, 630662, 1261324, 1576655, 1622801, 3153310, 3245602, 6306620, 6491204, 8114005, 16228010, 32456020, 66534841, 133069682, 266139364, 332674205, 665348410, 1330696820]

約数ペア:

[(1, 1330696820), (2, 665348410), (4, 332674205), (5, 266139364), (10, 133069682), (20, 66534841), (41, 32456020), (82, 16228010), (164, 8114005), (205, 6491204), (211, 6306620), (410, 3245602), (422, 3153310), (820, 1622801), (844, 1576655), (1055, 1261324), (2110, 630662), (4220, 315331), (7691, 173020), (8651, 153820), (15382, 86510), (17302, 76910), (30764, 43255), (34604, 38455)]