85755020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5407}}^1$

素因数の和:5490

約数の個数: 48

約数和(自身を含む): 197154048

約数和(自身を除く): 111399028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 5407, 7930, 10814, 15860, 21628, 27035, 54070, 70291, 108140, 140582, 281164, 329827, 351455, 659654, 702910, 1319308, 1405820, 1649135, 3298270, 4287751, 6596540, 8575502, 17151004, 21438755, 42877510, 85755020]

約数ペア:

[(1, 85755020), (2, 42877510), (4, 21438755), (5, 17151004), (10, 8575502), (13, 6596540), (20, 4287751), (26, 3298270), (52, 1649135), (61, 1405820), (65, 1319308), (122, 702910), (130, 659654), (244, 351455), (260, 329827), (305, 281164), (610, 140582), (793, 108140), (1220, 70291), (1586, 54070), (3172, 27035), (3965, 21628), (5407, 15860), (7930, 10814)]