64142000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2503

約数の個数: 80

約数和(自身を含む): 167093472

約数和(自身を除く): 102951472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1300, 1625, 2000, 2467, 2600, 3250, 4934, 5200, 6500, 9868, 12335, 13000, 19736, 24670, 26000, 32071, 39472, 49340, 61675, 64142, 98680, 123350, 128284, 160355, 197360, 246700, 256568, 308375, 320710, 493400, 513136, 616750, 641420, 801775, 986800, 1233500, 1282840, 1603550, 2467000, 2565680, 3207100, 4008875, 4934000, 6414200, 8017750, 12828400, 16035500, 32071000, 64142000]

約数ペア:

[(1, 64142000), (2, 32071000), (4, 16035500), (5, 12828400), (8, 8017750), (10, 6414200), (13, 4934000), (16, 4008875), (20, 3207100), (25, 2565680), (26, 2467000), (40, 1603550), (50, 1282840), (52, 1233500), (65, 986800), (80, 801775), (100, 641420), (104, 616750), (125, 513136), (130, 493400), (200, 320710), (208, 308375), (250, 256568), (260, 246700), (325, 197360), (400, 160355), (500, 128284), (520, 123350), (650, 98680), (1000, 64142), (1040, 61675), (1300, 49340), (1625, 39472), (2000, 32071), (2467, 26000), (2600, 24670), (3250, 19736), (4934, 13000), (5200, 12335), (6500, 9868)]