16743220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 38441088

約数和(自身を除く): 21697868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 907, 923, 1420, 1814, 1846, 3628, 3692, 4535, 4615, 9070, 9230, 11791, 18140, 18460, 23582, 47164, 58955, 64397, 117910, 128794, 235820, 257588, 321985, 643970, 837161, 1287940, 1674322, 3348644, 4185805, 8371610, 16743220]

約数ペア:

[(1, 16743220), (2, 8371610), (4, 4185805), (5, 3348644), (10, 1674322), (13, 1287940), (20, 837161), (26, 643970), (52, 321985), (65, 257588), (71, 235820), (130, 128794), (142, 117910), (260, 64397), (284, 58955), (355, 47164), (710, 23582), (907, 18460), (923, 18140), (1420, 11791), (1814, 9230), (1846, 9070), (3628, 4615), (3692, 4535)]