2000783408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2374

約数の個数: 80

約数和(自身を含む): 4304849472

約数和(自身を除く): 2304066064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 71, 104, 122, 142, 208, 244, 284, 488, 568, 793, 923, 976, 1136, 1586, 1846, 2221, 3172, 3692, 4331, 4442, 6344, 7384, 8662, 8884, 12688, 14768, 17324, 17768, 28873, 34648, 35536, 56303, 57746, 69296, 112606, 115492, 135481, 157691, 225212, 230984, 270962, 315382, 450424, 461968, 541924, 630764, 900848, 1083848, 1261528, 1761253, 2049983, 2167696, 2523056, 3522506, 4099966, 7045012, 8199932, 9619151, 14090024, 16399864, 19238302, 28180048, 32799728, 38476604, 76953208, 125048963, 153906416, 250097926, 500195852, 1000391704, 2000783408]

約数ペア:

[(1, 2000783408), (2, 1000391704), (4, 500195852), (8, 250097926), (13, 153906416), (16, 125048963), (26, 76953208), (52, 38476604), (61, 32799728), (71, 28180048), (104, 19238302), (122, 16399864), (142, 14090024), (208, 9619151), (244, 8199932), (284, 7045012), (488, 4099966), (568, 3522506), (793, 2523056), (923, 2167696), (976, 2049983), (1136, 1761253), (1586, 1261528), (1846, 1083848), (2221, 900848), (3172, 630764), (3692, 541924), (4331, 461968), (4442, 450424), (6344, 315382), (7384, 270962), (8662, 230984), (8884, 225212), (12688, 157691), (14768, 135481), (17324, 115492), (17768, 112606), (28873, 69296), (34648, 57746), (35536, 56303)]