2669759920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{40847}}^1$

素因数の和:40922

約数の個数: 80

約数和(自身を含む): 6686000640

約数和(自身を除く): 4016240720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 3268, 3440, 4085, 6536, 8170, 13072, 16340, 32680, 40847, 65360, 81694, 163388, 204235, 326776, 408470, 653552, 776093, 816940, 1552186, 1633880, 1756421, 3104372, 3267760, 3512842, 3880465, 6208744, 7025684, 7760930, 8782105, 12417488, 14051368, 15521860, 17564210, 28102736, 31043720, 33371999, 35128420, 62087440, 66743998, 70256840, 133487996, 140513680, 166859995, 266975992, 333719990, 533951984, 667439980, 1334879960, 2669759920]

約数ペア:

[(1, 2669759920), (2, 1334879960), (4, 667439980), (5, 533951984), (8, 333719990), (10, 266975992), (16, 166859995), (19, 140513680), (20, 133487996), (38, 70256840), (40, 66743998), (43, 62087440), (76, 35128420), (80, 33371999), (86, 31043720), (95, 28102736), (152, 17564210), (172, 15521860), (190, 14051368), (215, 12417488), (304, 8782105), (344, 7760930), (380, 7025684), (430, 6208744), (688, 3880465), (760, 3512842), (817, 3267760), (860, 3104372), (1520, 1756421), (1634, 1633880), (1720, 1552186), (3268, 816940), (3440, 776093), (4085, 653552), (6536, 408470), (8170, 326776), (13072, 204235), (16340, 163388), (32680, 81694), (40847, 65360)]