73866440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20749}}^1$

素因数の和:20849

約数の個数: 32

約数和(自身を含む): 168075000

約数和(自身を除く): 94208560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 20749, 41498, 82996, 103745, 165992, 207490, 414980, 829960, 1846661, 3693322, 7386644, 9233305, 14773288, 18466610, 36933220, 73866440]

約数ペア:

[(1, 73866440), (2, 36933220), (4, 18466610), (5, 14773288), (8, 9233305), (10, 7386644), (20, 3693322), (40, 1846661), (89, 829960), (178, 414980), (356, 207490), (445, 165992), (712, 103745), (890, 82996), (1780, 41498), (3560, 20749)]