31972540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 69370560

約数和(自身を除く): 37398020

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 122, 146, 244, 292, 305, 359, 365, 610, 718, 730, 1220, 1436, 1460, 1795, 3590, 4453, 7180, 8906, 17812, 21899, 22265, 26207, 43798, 44530, 52414, 87596, 89060, 104828, 109495, 131035, 218990, 262070, 437980, 524140, 1598627, 3197254, 6394508, 7993135, 15986270, 31972540]

約数ペア:

[(1, 31972540), (2, 15986270), (4, 7993135), (5, 6394508), (10, 3197254), (20, 1598627), (61, 524140), (73, 437980), (122, 262070), (146, 218990), (244, 131035), (292, 109495), (305, 104828), (359, 89060), (365, 87596), (610, 52414), (718, 44530), (730, 43798), (1220, 26207), (1436, 22265), (1460, 21899), (1795, 17812), (3590, 8906), (4453, 7180)]