1861580080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{4789}}^1$

素因数の和:4958

約数の個数: 80

約数和(自身を含む): 4468955040

約数和(自身を除く): 2607374960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 113, 172, 215, 226, 344, 430, 452, 565, 688, 860, 904, 1130, 1720, 1808, 2260, 3440, 4520, 4789, 4859, 9040, 9578, 9718, 19156, 19436, 23945, 24295, 38312, 38872, 47890, 48590, 76624, 77744, 95780, 97180, 191560, 194360, 205927, 383120, 388720, 411854, 541157, 823708, 1029635, 1082314, 1647416, 2059270, 2164628, 2705785, 3294832, 4118540, 4329256, 5411570, 8237080, 8658512, 10823140, 16474160, 21646280, 23269751, 43292560, 46539502, 93079004, 116348755, 186158008, 232697510, 372316016, 465395020, 930790040, 1861580080]

約数ペア:

[(1, 1861580080), (2, 930790040), (4, 465395020), (5, 372316016), (8, 232697510), (10, 186158008), (16, 116348755), (20, 93079004), (40, 46539502), (43, 43292560), (80, 23269751), (86, 21646280), (113, 16474160), (172, 10823140), (215, 8658512), (226, 8237080), (344, 5411570), (430, 4329256), (452, 4118540), (565, 3294832), (688, 2705785), (860, 2164628), (904, 2059270), (1130, 1647416), (1720, 1082314), (1808, 1029635), (2260, 823708), (3440, 541157), (4520, 411854), (4789, 388720), (4859, 383120), (9040, 205927), (9578, 194360), (9718, 191560), (19156, 97180), (19436, 95780), (23945, 77744), (24295, 76624), (38312, 48590), (38872, 47890)]