38413840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6763}}^1$

素因数の和:6847

約数の個数: 40

約数和(自身を含む): 90583488

約数和(自身を除く): 52169648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 6763, 13526, 27052, 33815, 54104, 67630, 108208, 135260, 270520, 480173, 541040, 960346, 1920692, 2400865, 3841384, 4801730, 7682768, 9603460, 19206920, 38413840]

約数ペア:

[(1, 38413840), (2, 19206920), (4, 9603460), (5, 7682768), (8, 4801730), (10, 3841384), (16, 2400865), (20, 1920692), (40, 960346), (71, 541040), (80, 480173), (142, 270520), (284, 135260), (355, 108208), (568, 67630), (710, 54104), (1136, 33815), (1420, 27052), (2840, 13526), (5680, 6763)]