2007978320

素因数分解:

$2^4\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{15427}}^1$

素因数の和:17067

約数の個数: 40

約数和(自身を含む): 4671721824

約数和(自身を除く): 2663743504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1627, 3254, 6508, 8135, 13016, 15427, 16270, 26032, 30854, 32540, 61708, 65080, 77135, 123416, 130160, 154270, 246832, 308540, 617080, 1234160, 25099729, 50199458, 100398916, 125498645, 200797832, 250997290, 401595664, 501994580, 1003989160, 2007978320]

約数ペア:

[(1, 2007978320), (2, 1003989160), (4, 501994580), (5, 401595664), (8, 250997290), (10, 200797832), (16, 125498645), (20, 100398916), (40, 50199458), (80, 25099729), (1627, 1234160), (3254, 617080), (6508, 308540), (8135, 246832), (13016, 154270), (15427, 130160), (16270, 123416), (26032, 77135), (30854, 65080), (32540, 61708)]