8148440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 20295360

約数和(自身を除く): 12146920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 521, 680, 782, 920, 1042, 1564, 1955, 2084, 2605, 3128, 3910, 4168, 5210, 7820, 8857, 10420, 11983, 15640, 17714, 20840, 23966, 35428, 44285, 47932, 59915, 70856, 88570, 95864, 119830, 177140, 203711, 239660, 354280, 407422, 479320, 814844, 1018555, 1629688, 2037110, 4074220, 8148440]

約数ペア:

[(1, 8148440), (2, 4074220), (4, 2037110), (5, 1629688), (8, 1018555), (10, 814844), (17, 479320), (20, 407422), (23, 354280), (34, 239660), (40, 203711), (46, 177140), (68, 119830), (85, 95864), (92, 88570), (115, 70856), (136, 59915), (170, 47932), (184, 44285), (230, 35428), (340, 23966), (391, 20840), (460, 17714), (521, 15640), (680, 11983), (782, 10420), (920, 8857), (1042, 7820), (1564, 5210), (1955, 4168), (2084, 3910), (2605, 3128)]