81678640

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12301}}^1$

素因数の和:12397

約数の個数: 40

約数和(自身を含む): 192206448

約数和(自身を除く): 110527808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 12301, 24602, 49204, 61505, 98408, 123010, 196816, 246020, 492040, 984080, 1020983, 2041966, 4083932, 5104915, 8167864, 10209830, 16335728, 20419660, 40839320, 81678640]

約数ペア:

[(1, 81678640), (2, 40839320), (4, 20419660), (5, 16335728), (8, 10209830), (10, 8167864), (16, 5104915), (20, 4083932), (40, 2041966), (80, 1020983), (83, 984080), (166, 492040), (332, 246020), (415, 196816), (664, 123010), (830, 98408), (1328, 61505), (1660, 49204), (3320, 24602), (6640, 12301)]