20070201040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1\times {\mathrm{8369}}^1$

素因数の和:9380

約数の個数: 80

約数和(自身を含む): 48224056320

約数和(自身を除く): 28153855280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 967, 1240, 1934, 2480, 3868, 4835, 7736, 8369, 9670, 15472, 16738, 19340, 29977, 33476, 38680, 41845, 59954, 66952, 77360, 83690, 119908, 133904, 149885, 167380, 239816, 259439, 299770, 334760, 479632, 518878, 599540, 669520, 1037756, 1199080, 1297195, 2075512, 2398160, 2594390, 4151024, 5188780, 8092823, 10377560, 16185646, 20755120, 32371292, 40464115, 64742584, 80928230, 129485168, 161856460, 250877513, 323712920, 501755026, 647425840, 1003510052, 1254387565, 2007020104, 2508775130, 4014040208, 5017550260, 10035100520, 20070201040]

約数ペア:

[(1, 20070201040), (2, 10035100520), (4, 5017550260), (5, 4014040208), (8, 2508775130), (10, 2007020104), (16, 1254387565), (20, 1003510052), (31, 647425840), (40, 501755026), (62, 323712920), (80, 250877513), (124, 161856460), (155, 129485168), (248, 80928230), (310, 64742584), (496, 40464115), (620, 32371292), (967, 20755120), (1240, 16185646), (1934, 10377560), (2480, 8092823), (3868, 5188780), (4835, 4151024), (7736, 2594390), (8369, 2398160), (9670, 2075512), (15472, 1297195), (16738, 1199080), (19340, 1037756), (29977, 669520), (33476, 599540), (38680, 518878), (41845, 479632), (59954, 334760), (66952, 299770), (77360, 259439), (83690, 239816), (119908, 167380), (133904, 149885)]