8091320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 19660320

約数和(自身を除く): 11569000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 163, 170, 292, 326, 340, 365, 584, 652, 680, 730, 815, 1241, 1304, 1460, 1630, 2482, 2771, 2920, 3260, 4964, 5542, 6205, 6520, 9928, 11084, 11899, 12410, 13855, 22168, 23798, 24820, 27710, 47596, 49640, 55420, 59495, 95192, 110840, 118990, 202283, 237980, 404566, 475960, 809132, 1011415, 1618264, 2022830, 4045660, 8091320]

約数ペア:

[(1, 8091320), (2, 4045660), (4, 2022830), (5, 1618264), (8, 1011415), (10, 809132), (17, 475960), (20, 404566), (34, 237980), (40, 202283), (68, 118990), (73, 110840), (85, 95192), (136, 59495), (146, 55420), (163, 49640), (170, 47596), (292, 27710), (326, 24820), (340, 23798), (365, 22168), (584, 13855), (652, 12410), (680, 11899), (730, 11084), (815, 9928), (1241, 6520), (1304, 6205), (1460, 5542), (1630, 4964), (2482, 3260), (2771, 2920)]