51131600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9833}}^1$

素因数の和:9864

約数の個数: 60

約数和(自身を含む): 132306636

約数和(自身を除く): 81175036

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 9833, 19666, 39332, 49165, 78664, 98330, 127829, 157328, 196660, 245825, 255658, 393320, 491650, 511316, 639145, 786640, 983300, 1022632, 1278290, 1966600, 2045264, 2556580, 3195725, 3933200, 5113160, 6391450, 10226320, 12782900, 25565800, 51131600]

約数ペア:

[(1, 51131600), (2, 25565800), (4, 12782900), (5, 10226320), (8, 6391450), (10, 5113160), (13, 3933200), (16, 3195725), (20, 2556580), (25, 2045264), (26, 1966600), (40, 1278290), (50, 1022632), (52, 983300), (65, 786640), (80, 639145), (100, 511316), (104, 491650), (130, 393320), (200, 255658), (208, 245825), (260, 196660), (325, 157328), (400, 127829), (520, 98330), (650, 78664), (1040, 49165), (1300, 39332), (2600, 19666), (5200, 9833)]