25342940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1153}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 61263552

約数和(自身を除く): 35920612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1153, 1570, 2198, 2306, 3140, 4396, 4612, 5495, 5765, 8071, 10990, 11530, 16142, 21980, 23060, 32284, 40355, 80710, 161420, 181021, 362042, 724084, 905105, 1267147, 1810210, 2534294, 3620420, 5068588, 6335735, 12671470, 25342940]

約数ペア:

[(1, 25342940), (2, 12671470), (4, 6335735), (5, 5068588), (7, 3620420), (10, 2534294), (14, 1810210), (20, 1267147), (28, 905105), (35, 724084), (70, 362042), (140, 181021), (157, 161420), (314, 80710), (628, 40355), (785, 32284), (1099, 23060), (1153, 21980), (1570, 16142), (2198, 11530), (2306, 10990), (3140, 8071), (4396, 5765), (4612, 5495)]