42743320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 100245600

約数和(自身を除く): 57502280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 389, 410, 536, 670, 778, 820, 1340, 1556, 1640, 1945, 2680, 2747, 3112, 3890, 5494, 7780, 10988, 13735, 15560, 15949, 21976, 26063, 27470, 31898, 52126, 54940, 63796, 79745, 104252, 109880, 127592, 130315, 159490, 208504, 260630, 318980, 521260, 637960, 1042520, 1068583, 2137166, 4274332, 5342915, 8548664, 10685830, 21371660, 42743320]

約数ペア:

[(1, 42743320), (2, 21371660), (4, 10685830), (5, 8548664), (8, 5342915), (10, 4274332), (20, 2137166), (40, 1068583), (41, 1042520), (67, 637960), (82, 521260), (134, 318980), (164, 260630), (205, 208504), (268, 159490), (328, 130315), (335, 127592), (389, 109880), (410, 104252), (536, 79745), (670, 63796), (778, 54940), (820, 52126), (1340, 31898), (1556, 27470), (1640, 26063), (1945, 21976), (2680, 15949), (2747, 15560), (3112, 13735), (3890, 10988), (5494, 7780)]