38754640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6823}}^1$

素因数の和:6907

約数の個数: 40

約数和(自身を含む): 91387008

約数和(自身を除く): 52632368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 6823, 13646, 27292, 34115, 54584, 68230, 109168, 136460, 272920, 484433, 545840, 968866, 1937732, 2422165, 3875464, 4844330, 7750928, 9688660, 19377320, 38754640]

約数ペア:

[(1, 38754640), (2, 19377320), (4, 9688660), (5, 7750928), (8, 4844330), (10, 3875464), (16, 2422165), (20, 1937732), (40, 968866), (71, 545840), (80, 484433), (142, 272920), (284, 136460), (355, 109168), (568, 68230), (710, 54584), (1136, 34115), (1420, 27292), (2840, 13646), (5680, 6823)]