8195960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3359}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 18748800

約数和(自身を除く): 10552840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3359, 6718, 13436, 16795, 26872, 33590, 67180, 134360, 204899, 409798, 819596, 1024495, 1639192, 2048990, 4097980, 8195960]

約数ペア:

[(1, 8195960), (2, 4097980), (4, 2048990), (5, 1639192), (8, 1024495), (10, 819596), (20, 409798), (40, 204899), (61, 134360), (122, 67180), (244, 33590), (305, 26872), (488, 16795), (610, 13436), (1220, 6718), (2440, 3359)]