79173520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 190916352

約数和(自身を除く): 111742832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 71, 80, 106, 142, 212, 263, 265, 284, 355, 424, 526, 530, 568, 710, 848, 1052, 1060, 1136, 1315, 1420, 2104, 2120, 2630, 2840, 3763, 4208, 4240, 5260, 5680, 7526, 10520, 13939, 15052, 18673, 18815, 21040, 27878, 30104, 37346, 37630, 55756, 60208, 69695, 74692, 75260, 93365, 111512, 139390, 149384, 150520, 186730, 223024, 278780, 298768, 301040, 373460, 557560, 746920, 989669, 1115120, 1493840, 1979338, 3958676, 4948345, 7917352, 9896690, 15834704, 19793380, 39586760, 79173520]

約数ペア:

[(1, 79173520), (2, 39586760), (4, 19793380), (5, 15834704), (8, 9896690), (10, 7917352), (16, 4948345), (20, 3958676), (40, 1979338), (53, 1493840), (71, 1115120), (80, 989669), (106, 746920), (142, 557560), (212, 373460), (263, 301040), (265, 298768), (284, 278780), (355, 223024), (424, 186730), (526, 150520), (530, 149384), (568, 139390), (710, 111512), (848, 93365), (1052, 75260), (1060, 74692), (1136, 69695), (1315, 60208), (1420, 55756), (2104, 37630), (2120, 37346), (2630, 30104), (2840, 27878), (3763, 21040), (4208, 18815), (4240, 18673), (5260, 15052), (5680, 13939), (7526, 10520)]