25110580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 57972096

約数和(自身を除く): 32861516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 727, 785, 1454, 1570, 1727, 2908, 3140, 3454, 3635, 6908, 7270, 7997, 8635, 14540, 15994, 17270, 31988, 34540, 39985, 79970, 114139, 159940, 228278, 456556, 570695, 1141390, 1255529, 2282780, 2511058, 5022116, 6277645, 12555290, 25110580]

約数ペア:

[(1, 25110580), (2, 12555290), (4, 6277645), (5, 5022116), (10, 2511058), (11, 2282780), (20, 1255529), (22, 1141390), (44, 570695), (55, 456556), (110, 228278), (157, 159940), (220, 114139), (314, 79970), (628, 39985), (727, 34540), (785, 31988), (1454, 17270), (1570, 15994), (1727, 14540), (2908, 8635), (3140, 7997), (3454, 7270), (3635, 6908)]