42016880

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1997}}^1$

素因数の和:2273

約数の個数: 40

約数和(自身を含む): 98109792

約数和(自身を除く): 56092912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 1997, 2104, 2630, 3994, 4208, 5260, 7988, 9985, 10520, 15976, 19970, 21040, 31952, 39940, 79880, 159760, 525211, 1050422, 2100844, 2626055, 4201688, 5252110, 8403376, 10504220, 21008440, 42016880]

約数ペア:

[(1, 42016880), (2, 21008440), (4, 10504220), (5, 8403376), (8, 5252110), (10, 4201688), (16, 2626055), (20, 2100844), (40, 1050422), (80, 525211), (263, 159760), (526, 79880), (1052, 39940), (1315, 31952), (1997, 21040), (2104, 19970), (2630, 15976), (3994, 10520), (4208, 9985), (5260, 7988)]