40321320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25847}}^1$

素因数の和:25874

約数の個数: 64

約数和(自身を含む): 130273920

約数和(自身を除く): 89952600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 25847, 51694, 77541, 103388, 129235, 155082, 206776, 258470, 310164, 336011, 387705, 516940, 620328, 672022, 775410, 1008033, 1033880, 1344044, 1550820, 1680055, 2016066, 2688088, 3101640, 3360110, 4032132, 5040165, 6720220, 8064264, 10080330, 13440440, 20160660, 40321320]

約数ペア:

[(1, 40321320), (2, 20160660), (3, 13440440), (4, 10080330), (5, 8064264), (6, 6720220), (8, 5040165), (10, 4032132), (12, 3360110), (13, 3101640), (15, 2688088), (20, 2016066), (24, 1680055), (26, 1550820), (30, 1344044), (39, 1033880), (40, 1008033), (52, 775410), (60, 672022), (65, 620328), (78, 516940), (104, 387705), (120, 336011), (130, 310164), (156, 258470), (195, 206776), (260, 155082), (312, 129235), (390, 103388), (520, 77541), (780, 51694), (1560, 25847)]