25551440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10303}}^1$

素因数の和:10347

約数の個数: 40

約数和(自身を含む): 61329408

約数和(自身を除く): 35777968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10303, 20606, 41212, 51515, 82424, 103030, 164848, 206060, 319393, 412120, 638786, 824240, 1277572, 1596965, 2555144, 3193930, 5110288, 6387860, 12775720, 25551440]

約数ペア:

[(1, 25551440), (2, 12775720), (4, 6387860), (5, 5110288), (8, 3193930), (10, 2555144), (16, 1596965), (20, 1277572), (31, 824240), (40, 638786), (62, 412120), (80, 319393), (124, 206060), (155, 164848), (248, 103030), (310, 82424), (496, 51515), (620, 41212), (1240, 20606), (2480, 10303)]