40148880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1277}}^1$

素因数の和:1424

約数の個数: 80

約数和(自身を含む): 125509824

約数和(自身を除く): 85360944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1277, 1310, 1572, 1965, 2096, 2554, 2620, 3144, 3831, 3930, 5108, 5240, 6288, 6385, 7662, 7860, 10216, 10480, 12770, 15324, 15720, 19155, 20432, 25540, 30648, 31440, 38310, 51080, 61296, 76620, 102160, 153240, 167287, 306480, 334574, 501861, 669148, 836435, 1003722, 1338296, 1672870, 2007444, 2509305, 2676592, 3345740, 4014888, 5018610, 6691480, 8029776, 10037220, 13382960, 20074440, 40148880]

約数ペア:

[(1, 40148880), (2, 20074440), (3, 13382960), (4, 10037220), (5, 8029776), (6, 6691480), (8, 5018610), (10, 4014888), (12, 3345740), (15, 2676592), (16, 2509305), (20, 2007444), (24, 1672870), (30, 1338296), (40, 1003722), (48, 836435), (60, 669148), (80, 501861), (120, 334574), (131, 306480), (240, 167287), (262, 153240), (393, 102160), (524, 76620), (655, 61296), (786, 51080), (1048, 38310), (1277, 31440), (1310, 30648), (1572, 25540), (1965, 20432), (2096, 19155), (2554, 15720), (2620, 15324), (3144, 12770), (3831, 10480), (3930, 10216), (5108, 7860), (5240, 7662), (6288, 6385)]