48988400

素因数分解:

$2^4\times 5^2\times {\mathrm{122471}}^1$

素因数の和:122489

約数の個数: 30

約数和(自身を含む): 117695592

約数和(自身を除く): 68707192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 122471, 244942, 489884, 612355, 979768, 1224710, 1959536, 2449420, 3061775, 4898840, 6123550, 9797680, 12247100, 24494200, 48988400]

約数ペア:

[(1, 48988400), (2, 24494200), (4, 12247100), (5, 9797680), (8, 6123550), (10, 4898840), (16, 3061775), (20, 2449420), (25, 1959536), (40, 1224710), (50, 979768), (80, 612355), (100, 489884), (200, 244942), (400, 122471)]