812188400

素因数分解:

$2^4\times 5^2\times {\mathrm{2030471}}^1$

素因数の和:2030489

約数の個数: 30

約数和(自身を含む): 1951283592

約数和(自身を除く): 1139095192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2030471, 4060942, 8121884, 10152355, 16243768, 20304710, 32487536, 40609420, 50761775, 81218840, 101523550, 162437680, 203047100, 406094200, 812188400]

約数ペア:

[(1, 812188400), (2, 406094200), (4, 203047100), (5, 162437680), (8, 101523550), (10, 81218840), (16, 50761775), (20, 40609420), (25, 32487536), (40, 20304710), (50, 16243768), (80, 10152355), (100, 8121884), (200, 4060942), (400, 2030471)]