251028080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101221}}^1$

素因数の和:101265

約数の個数: 40

約数和(自身を含む): 602473344

約数和(自身を除く): 351445264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 101221, 202442, 404884, 506105, 809768, 1012210, 1619536, 2024420, 3137851, 4048840, 6275702, 8097680, 12551404, 15689255, 25102808, 31378510, 50205616, 62757020, 125514040, 251028080]

約数ペア:

[(1, 251028080), (2, 125514040), (4, 62757020), (5, 50205616), (8, 31378510), (10, 25102808), (16, 15689255), (20, 12551404), (31, 8097680), (40, 6275702), (62, 4048840), (80, 3137851), (124, 2024420), (155, 1619536), (248, 1012210), (310, 809768), (496, 506105), (620, 404884), (1240, 202442), (2480, 101221)]