42788680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3137}}^1$

素因数の和:3190

約数の個数: 64

約数和(自身を含む): 108449280

約数和(自身を除く): 65660600

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, 1240, 1364, 1705, 2728, 3137, 3410, 6274, 6820, 12548, 13640, 15685, 25096, 31370, 34507, 62740, 69014, 97247, 125480, 138028, 172535, 194494, 276056, 345070, 388988, 486235, 690140, 777976, 972470, 1069717, 1380280, 1944940, 2139434, 3889880, 4278868, 5348585, 8557736, 10697170, 21394340, 42788680]

約数ペア:

[(1, 42788680), (2, 21394340), (4, 10697170), (5, 8557736), (8, 5348585), (10, 4278868), (11, 3889880), (20, 2139434), (22, 1944940), (31, 1380280), (40, 1069717), (44, 972470), (55, 777976), (62, 690140), (88, 486235), (110, 388988), (124, 345070), (155, 276056), (220, 194494), (248, 172535), (310, 138028), (341, 125480), (440, 97247), (620, 69014), (682, 62740), (1240, 34507), (1364, 31370), (1705, 25096), (2728, 15685), (3137, 13640), (3410, 12548), (6274, 6820)]