82665580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1031}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 183778560

約数和(自身を除く): 101112980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 844, 1031, 1055, 2062, 2110, 4009, 4124, 4220, 5155, 8018, 10310, 16036, 19589, 20045, 20620, 39178, 40090, 78356, 80180, 97945, 195890, 217541, 391780, 435082, 870164, 1087705, 2175410, 4133279, 4350820, 8266558, 16533116, 20666395, 41332790, 82665580]

約数ペア:

[(1, 82665580), (2, 41332790), (4, 20666395), (5, 16533116), (10, 8266558), (19, 4350820), (20, 4133279), (38, 2175410), (76, 1087705), (95, 870164), (190, 435082), (211, 391780), (380, 217541), (422, 195890), (844, 97945), (1031, 80180), (1055, 78356), (2062, 40090), (2110, 39178), (4009, 20620), (4124, 20045), (4220, 19589), (5155, 16036), (8018, 10310)]