25109150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 51746688

約数和(自身を除く): 26637538

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 550, 643, 710, 781, 1286, 1562, 1775, 3215, 3550, 3905, 6430, 7073, 7810, 14146, 16075, 19525, 32150, 35365, 39050, 45653, 70730, 91306, 176825, 228265, 353650, 456530, 502183, 1004366, 1141325, 2282650, 2510915, 5021830, 12554575, 25109150]

約数ペア:

[(1, 25109150), (2, 12554575), (5, 5021830), (10, 2510915), (11, 2282650), (22, 1141325), (25, 1004366), (50, 502183), (55, 456530), (71, 353650), (110, 228265), (142, 176825), (275, 91306), (355, 70730), (550, 45653), (643, 39050), (710, 35365), (781, 32150), (1286, 19525), (1562, 16075), (1775, 14146), (3215, 7810), (3550, 7073), (3905, 6430)]