39378680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2940

約数の個数: 64

約数和(自身を含む): 99809280

約数和(自身を除く): 60430600

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, 2887, 3410, 5774, 6820, 11548, 13640, 14435, 23096, 28870, 31757, 57740, 63514, 89497, 115480, 127028, 158785, 178994, 254056, 317570, 357988, 447485, 635140, 715976, 894970, 984467, 1270280, 1789940, 1968934, 3579880, 3937868, 4922335, 7875736, 9844670, 19689340, 39378680]

約数ペア:

[(1, 39378680), (2, 19689340), (4, 9844670), (5, 7875736), (8, 4922335), (10, 3937868), (11, 3579880), (20, 1968934), (22, 1789940), (31, 1270280), (40, 984467), (44, 894970), (55, 715976), (62, 635140), (88, 447485), (110, 357988), (124, 317570), (155, 254056), (220, 178994), (248, 158785), (310, 127028), (341, 115480), (440, 89497), (620, 63514), (682, 57740), (1240, 31757), (1364, 28870), (1705, 23096), (2728, 14435), (2887, 13640), (3410, 11548), (5774, 6820)]