25958380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1181}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 62750016

約数和(自身を除く): 36791636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1181, 1570, 2198, 2362, 3140, 4396, 4724, 5495, 5905, 8267, 10990, 11810, 16534, 21980, 23620, 33068, 41335, 82670, 165340, 185417, 370834, 741668, 927085, 1297919, 1854170, 2595838, 3708340, 5191676, 6489595, 12979190, 25958380]

約数ペア:

[(1, 25958380), (2, 12979190), (4, 6489595), (5, 5191676), (7, 3708340), (10, 2595838), (14, 1854170), (20, 1297919), (28, 927085), (35, 741668), (70, 370834), (140, 185417), (157, 165340), (314, 82670), (628, 41335), (785, 33068), (1099, 23620), (1181, 21980), (1570, 16534), (2198, 11810), (2362, 10990), (3140, 8267), (4396, 5905), (4724, 5495)]