126359740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2467}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 287334432

約数和(自身を除く): 160974692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1970, 2467, 2561, 3940, 4934, 5122, 9868, 10244, 12335, 12805, 24670, 25610, 32071, 49340, 51220, 64142, 128284, 160355, 320710, 485999, 641420, 971998, 1943996, 2429995, 4859990, 6317987, 9719980, 12635974, 25271948, 31589935, 63179870, 126359740]

約数ペア:

[(1, 126359740), (2, 63179870), (4, 31589935), (5, 25271948), (10, 12635974), (13, 9719980), (20, 6317987), (26, 4859990), (52, 2429995), (65, 1943996), (130, 971998), (197, 641420), (260, 485999), (394, 320710), (788, 160355), (985, 128284), (1970, 64142), (2467, 51220), (2561, 49340), (3940, 32071), (4934, 25610), (5122, 24670), (9868, 12805), (10244, 12335)]