16778660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 37966320

約数和(自身を除く): 21187660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 809, 1037, 1220, 1618, 2074, 3236, 4045, 4148, 5185, 8090, 10370, 13753, 16180, 20740, 27506, 49349, 55012, 68765, 98698, 137530, 197396, 246745, 275060, 493490, 838933, 986980, 1677866, 3355732, 4194665, 8389330, 16778660]

約数ペア:

[(1, 16778660), (2, 8389330), (4, 4194665), (5, 3355732), (10, 1677866), (17, 986980), (20, 838933), (34, 493490), (61, 275060), (68, 246745), (85, 197396), (122, 137530), (170, 98698), (244, 68765), (305, 55012), (340, 49349), (610, 27506), (809, 20740), (1037, 16180), (1220, 13753), (1618, 10370), (2074, 8090), (3236, 5185), (4045, 4148)]