80404960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26449}}^1$

素因数の和:26483

約数の個数: 48

約数和(自身を含む): 199962000

約数和(自身を除く): 119557040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 26449, 52898, 105796, 132245, 211592, 264490, 423184, 502531, 528980, 846368, 1005062, 1057960, 2010124, 2115920, 2512655, 4020248, 4231840, 5025310, 8040496, 10050620, 16080992, 20101240, 40202480, 80404960]

約数ペア:

[(1, 80404960), (2, 40202480), (4, 20101240), (5, 16080992), (8, 10050620), (10, 8040496), (16, 5025310), (19, 4231840), (20, 4020248), (32, 2512655), (38, 2115920), (40, 2010124), (76, 1057960), (80, 1005062), (95, 846368), (152, 528980), (160, 502531), (190, 423184), (304, 264490), (380, 211592), (608, 132245), (760, 105796), (1520, 52898), (3040, 26449)]