9916280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 25159680

約数和(自身を除く): 15243400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 727, 1240, 1364, 1454, 1705, 2728, 2908, 3410, 3635, 5816, 6820, 7270, 7997, 13640, 14540, 15994, 22537, 29080, 31988, 39985, 45074, 63976, 79970, 90148, 112685, 159940, 180296, 225370, 247907, 319880, 450740, 495814, 901480, 991628, 1239535, 1983256, 2479070, 4958140, 9916280]

約数ペア:

[(1, 9916280), (2, 4958140), (4, 2479070), (5, 1983256), (8, 1239535), (10, 991628), (11, 901480), (20, 495814), (22, 450740), (31, 319880), (40, 247907), (44, 225370), (55, 180296), (62, 159940), (88, 112685), (110, 90148), (124, 79970), (155, 63976), (220, 45074), (248, 39985), (310, 31988), (341, 29080), (440, 22537), (620, 15994), (682, 14540), (727, 13640), (1240, 7997), (1364, 7270), (1454, 6820), (1705, 5816), (2728, 3635), (2908, 3410)]