15797680

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1091}}^1$

素因数の和:1285

約数の個数: 40

約数和(自身を含む): 36966384

約数和(自身を除く): 21168704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1091, 1448, 1810, 2182, 2896, 3620, 4364, 5455, 7240, 8728, 10910, 14480, 17456, 21820, 43640, 87280, 197471, 394942, 789884, 987355, 1579768, 1974710, 3159536, 3949420, 7898840, 15797680]

約数ペア:

[(1, 15797680), (2, 7898840), (4, 3949420), (5, 3159536), (8, 1974710), (10, 1579768), (16, 987355), (20, 789884), (40, 394942), (80, 197471), (181, 87280), (362, 43640), (724, 21820), (905, 17456), (1091, 14480), (1448, 10910), (1810, 8728), (2182, 7240), (2896, 5455), (3620, 4364)]