80497720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2753}}^1$

素因数の和:2824

約数の個数: 64

約数和(自身を含む): 196305120

約数和(自身を除く): 115807400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2753, 2924, 3655, 5506, 5848, 7310, 11012, 13765, 14620, 22024, 27530, 29240, 46801, 55060, 93602, 110120, 118379, 187204, 234005, 236758, 374408, 468010, 473516, 591895, 936020, 947032, 1183790, 1872040, 2012443, 2367580, 4024886, 4735160, 8049772, 10062215, 16099544, 20124430, 40248860, 80497720]

約数ペア:

[(1, 80497720), (2, 40248860), (4, 20124430), (5, 16099544), (8, 10062215), (10, 8049772), (17, 4735160), (20, 4024886), (34, 2367580), (40, 2012443), (43, 1872040), (68, 1183790), (85, 947032), (86, 936020), (136, 591895), (170, 473516), (172, 468010), (215, 374408), (340, 236758), (344, 234005), (430, 187204), (680, 118379), (731, 110120), (860, 93602), (1462, 55060), (1720, 46801), (2753, 29240), (2924, 27530), (3655, 22024), (5506, 14620), (5848, 13765), (7310, 11012)]