79426840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2549}}^1$

素因数の和:2620

約数の個数: 64

約数和(自身を含む): 192780000

約数和(自身を除く): 113353160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 2549, 3116, 3895, 5098, 6232, 7790, 10196, 12745, 15580, 20392, 25490, 31160, 48431, 50980, 96862, 101960, 104509, 193724, 209018, 242155, 387448, 418036, 484310, 522545, 836072, 968620, 1045090, 1937240, 1985671, 2090180, 3971342, 4180360, 7942684, 9928355, 15885368, 19856710, 39713420, 79426840]

約数ペア:

[(1, 79426840), (2, 39713420), (4, 19856710), (5, 15885368), (8, 9928355), (10, 7942684), (19, 4180360), (20, 3971342), (38, 2090180), (40, 1985671), (41, 1937240), (76, 1045090), (82, 968620), (95, 836072), (152, 522545), (164, 484310), (190, 418036), (205, 387448), (328, 242155), (380, 209018), (410, 193724), (760, 104509), (779, 101960), (820, 96862), (1558, 50980), (1640, 48431), (2549, 31160), (3116, 25490), (3895, 20392), (5098, 15580), (6232, 12745), (7790, 10196)]