129637840

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4231}}^1$

素因数の和:4627

約数の個数: 40

約数和(自身を含む): 302266368

約数和(自身を除く): 172628528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 3064, 3830, 4231, 6128, 7660, 8462, 15320, 16924, 21155, 30640, 33848, 42310, 67696, 84620, 169240, 338480, 1620473, 3240946, 6481892, 8102365, 12963784, 16204730, 25927568, 32409460, 64818920, 129637840]

約数ペア:

[(1, 129637840), (2, 64818920), (4, 32409460), (5, 25927568), (8, 16204730), (10, 12963784), (16, 8102365), (20, 6481892), (40, 3240946), (80, 1620473), (383, 338480), (766, 169240), (1532, 84620), (1915, 67696), (3064, 42310), (3830, 33848), (4231, 30640), (6128, 21155), (7660, 16924), (8462, 15320)]