4720480

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 11282544

約数和(自身を除く): 6562064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 181, 326, 362, 652, 724, 815, 905, 1304, 1448, 1630, 1810, 2608, 2896, 3260, 3620, 5216, 5792, 6520, 7240, 13040, 14480, 26080, 28960, 29503, 59006, 118012, 147515, 236024, 295030, 472048, 590060, 944096, 1180120, 2360240, 4720480]

約数ペア:

[(1, 4720480), (2, 2360240), (4, 1180120), (5, 944096), (8, 590060), (10, 472048), (16, 295030), (20, 236024), (32, 147515), (40, 118012), (80, 59006), (160, 29503), (163, 28960), (181, 26080), (326, 14480), (362, 13040), (652, 7240), (724, 6520), (815, 5792), (905, 5216), (1304, 3620), (1448, 3260), (1630, 2896), (1810, 2608)]