188577680

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{9781}}^1$

素因数の和:10035

約数の個数: 40

約数和(自身を含む): 440307384

約数和(自身を除く): 251729704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 9781, 19280, 19562, 39124, 48905, 78248, 97810, 156496, 195620, 391240, 782480, 2357221, 4714442, 9428884, 11786105, 18857768, 23572210, 37715536, 47144420, 94288840, 188577680]

約数ペア:

[(1, 188577680), (2, 94288840), (4, 47144420), (5, 37715536), (8, 23572210), (10, 18857768), (16, 11786105), (20, 9428884), (40, 4714442), (80, 2357221), (241, 782480), (482, 391240), (964, 195620), (1205, 156496), (1928, 97810), (2410, 78248), (3856, 48905), (4820, 39124), (9640, 19562), (9781, 19280)]