199888960

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7907}}^1$

素因数の和:8003

約数の個数: 56

約数和(自身を含む): 482071680

約数和(自身を除く): 282182720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 6320, 7907, 12640, 15814, 25280, 31628, 39535, 63256, 79070, 126512, 158140, 253024, 316280, 506048, 624653, 632560, 1249306, 1265120, 2498612, 2530240, 3123265, 4997224, 6246530, 9994448, 12493060, 19988896, 24986120, 39977792, 49972240, 99944480, 199888960]

約数ペア:

[(1, 199888960), (2, 99944480), (4, 49972240), (5, 39977792), (8, 24986120), (10, 19988896), (16, 12493060), (20, 9994448), (32, 6246530), (40, 4997224), (64, 3123265), (79, 2530240), (80, 2498612), (158, 1265120), (160, 1249306), (316, 632560), (320, 624653), (395, 506048), (632, 316280), (790, 253024), (1264, 158140), (1580, 126512), (2528, 79070), (3160, 63256), (5056, 39535), (6320, 31628), (7907, 25280), (12640, 15814)]