518399860120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{79509181}}^1$

素因数の和:79509355

約数の個数: 32

約数和(自身を含む): 1173555526320

約数和(自身を除く): 655155666200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 79509181, 159018362, 318036724, 397545905, 636073448, 795091810, 1590183620, 3180367240, 12959996503, 25919993006, 51839986012, 64799982515, 103679972024, 129599965030, 259199930060, 518399860120]

約数ペア:

[(1, 518399860120), (2, 259199930060), (4, 129599965030), (5, 103679972024), (8, 64799982515), (10, 51839986012), (20, 25919993006), (40, 12959996503), (163, 3180367240), (326, 1590183620), (652, 795091810), (815, 636073448), (1304, 397545905), (1630, 318036724), (3260, 159018362), (6520, 79509181)]