1004050400

素因数分解:

$2^5\times 5^2\times {\mathrm{1255063}}^1$

素因数の和:1255083

約数の個数: 36

約数和(自身を含む): 2451139992

約数和(自身を除く): 1447089592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 1255063, 2510126, 5020252, 6275315, 10040504, 12550630, 20081008, 25101260, 31376575, 40162016, 50202520, 62753150, 100405040, 125506300, 200810080, 251012600, 502025200, 1004050400]

約数ペア:

[(1, 1004050400), (2, 502025200), (4, 251012600), (5, 200810080), (8, 125506300), (10, 100405040), (16, 62753150), (20, 50202520), (25, 40162016), (32, 31376575), (40, 25101260), (50, 20081008), (80, 12550630), (100, 10040504), (160, 6275315), (200, 5020252), (400, 2510126), (800, 1255063)]