80497580440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{443171}}^1$

素因数の和:443440

約数の個数: 64

約数和(自身を含む): 191450304000

約数和(自身を除く): 110952723560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 380, 478, 760, 956, 1195, 1912, 2390, 4541, 4780, 9082, 9560, 18164, 22705, 36328, 45410, 90820, 181640, 443171, 886342, 1772684, 2215855, 3545368, 4431710, 8420249, 8863420, 16840498, 17726840, 33680996, 42101245, 67361992, 84202490, 105917869, 168404980, 211835738, 336809960, 423671476, 529589345, 847342952, 1059178690, 2012439511, 2118357380, 4024879022, 4236714760, 8049758044, 10062197555, 16099516088, 20124395110, 40248790220, 80497580440]

約数ペア:

[(1, 80497580440), (2, 40248790220), (4, 20124395110), (5, 16099516088), (8, 10062197555), (10, 8049758044), (19, 4236714760), (20, 4024879022), (38, 2118357380), (40, 2012439511), (76, 1059178690), (95, 847342952), (152, 529589345), (190, 423671476), (239, 336809960), (380, 211835738), (478, 168404980), (760, 105917869), (956, 84202490), (1195, 67361992), (1912, 42101245), (2390, 33680996), (4541, 17726840), (4780, 16840498), (9082, 8863420), (9560, 8420249), (18164, 4431710), (22705, 3545368), (36328, 2215855), (45410, 1772684), (90820, 886342), (181640, 443171)]