25915780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10709}}^1$

素因数の和:10740

約数の個数: 36

約数和(自身を含む): 59826060

約数和(自身を除く): 33910280

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 10709, 21418, 42836, 53545, 107090, 117799, 214180, 235598, 471196, 588995, 1177990, 1295789, 2355980, 2591578, 5183156, 6478945, 12957890, 25915780]

約数ペア:

[(1, 25915780), (2, 12957890), (4, 6478945), (5, 5183156), (10, 2591578), (11, 2355980), (20, 1295789), (22, 1177990), (44, 588995), (55, 471196), (110, 235598), (121, 214180), (220, 117799), (242, 107090), (484, 53545), (605, 42836), (1210, 21418), (2420, 10709)]