8059220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 18439680

約数和(自身を除く): 10380460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 223, 260, 278, 446, 556, 695, 892, 1115, 1390, 1807, 2230, 2780, 2899, 3614, 4460, 5798, 7228, 9035, 11596, 14495, 18070, 28990, 30997, 36140, 57980, 61994, 123988, 154985, 309970, 402961, 619940, 805922, 1611844, 2014805, 4029610, 8059220]

約数ペア:

[(1, 8059220), (2, 4029610), (4, 2014805), (5, 1611844), (10, 805922), (13, 619940), (20, 402961), (26, 309970), (52, 154985), (65, 123988), (130, 61994), (139, 57980), (223, 36140), (260, 30997), (278, 28990), (446, 18070), (556, 14495), (695, 11596), (892, 9035), (1115, 7228), (1390, 5798), (1807, 4460), (2230, 3614), (2780, 2899)]