20180400250

素因数分解:

$2^1\times 5^3\times {\mathrm{3847}}^1\times {\mathrm{20983}}^1$

素因数の和:24847

約数の個数: 32

約数和(自身を含む): 37789330176

約数和(自身を除く): 17608929926

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 3847, 7694, 19235, 20983, 38470, 41966, 96175, 104915, 192350, 209830, 480875, 524575, 961750, 1049150, 2622875, 5245750, 80721601, 161443202, 403608005, 807216010, 2018040025, 4036080050, 10090200125, 20180400250]

約数ペア:

[(1, 20180400250), (2, 10090200125), (5, 4036080050), (10, 2018040025), (25, 807216010), (50, 403608005), (125, 161443202), (250, 80721601), (3847, 5245750), (7694, 2622875), (19235, 1049150), (20983, 961750), (38470, 524575), (41966, 480875), (96175, 209830), (104915, 192350)]