40649570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 80637120

約数和(自身を除く): 39987550

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 169, 335, 338, 359, 670, 718, 845, 871, 1690, 1742, 1795, 3590, 4355, 4667, 8710, 9334, 11323, 22646, 23335, 24053, 46670, 48106, 56615, 60671, 113230, 120265, 121342, 240530, 303355, 312689, 606710, 625378, 1563445, 3126890, 4064957, 8129914, 20324785, 40649570]

約数ペア:

[(1, 40649570), (2, 20324785), (5, 8129914), (10, 4064957), (13, 3126890), (26, 1563445), (65, 625378), (67, 606710), (130, 312689), (134, 303355), (169, 240530), (335, 121342), (338, 120265), (359, 113230), (670, 60671), (718, 56615), (845, 48106), (871, 46670), (1690, 24053), (1742, 23335), (1795, 22646), (3590, 11323), (4355, 9334), (4667, 8710)]