25142480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28571}}^1$

素因数の和:28595

約数の個数: 40

約数和(自身を含む): 63772704

約数和(自身を除く): 38630224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28571, 57142, 114284, 142855, 228568, 285710, 314281, 457136, 571420, 628562, 1142840, 1257124, 1571405, 2285680, 2514248, 3142810, 5028496, 6285620, 12571240, 25142480]

約数ペア:

[(1, 25142480), (2, 12571240), (4, 6285620), (5, 5028496), (8, 3142810), (10, 2514248), (11, 2285680), (16, 1571405), (20, 1257124), (22, 1142840), (40, 628562), (44, 571420), (55, 457136), (80, 314281), (88, 285710), (110, 228568), (176, 142855), (220, 114284), (440, 57142), (880, 28571)]