8182540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 18436320

約数和(自身を除く): 10253780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 353, 380, 610, 706, 1159, 1220, 1412, 1765, 2318, 3530, 4636, 5795, 6707, 7060, 11590, 13414, 21533, 23180, 26828, 33535, 43066, 67070, 86132, 107665, 134140, 215330, 409127, 430660, 818254, 1636508, 2045635, 4091270, 8182540]

約数ペア:

[(1, 8182540), (2, 4091270), (4, 2045635), (5, 1636508), (10, 818254), (19, 430660), (20, 409127), (38, 215330), (61, 134140), (76, 107665), (95, 86132), (122, 67070), (190, 43066), (244, 33535), (305, 26828), (353, 23180), (380, 21533), (610, 13414), (706, 11590), (1159, 7060), (1220, 6707), (1412, 5795), (1765, 4636), (2318, 3530)]