8401040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5527}}^1$

素因数の和:5559

約数の個数: 40

約数和(自身を含む): 20564160

約数和(自身を除く): 12163120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5527, 11054, 22108, 27635, 44216, 55270, 88432, 105013, 110540, 210026, 221080, 420052, 442160, 525065, 840104, 1050130, 1680208, 2100260, 4200520, 8401040]

約数ペア:

[(1, 8401040), (2, 4200520), (4, 2100260), (5, 1680208), (8, 1050130), (10, 840104), (16, 525065), (19, 442160), (20, 420052), (38, 221080), (40, 210026), (76, 110540), (80, 105013), (95, 88432), (152, 55270), (190, 44216), (304, 27635), (380, 22108), (760, 11054), (1520, 5527)]