155584760

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{9239}}^1$

素因数の和:9671

約数の個数: 32

約数和(自身を含む): 350935200

約数和(自身を除く): 195350440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 9239, 16840, 18478, 36956, 46195, 73912, 92390, 184780, 369560, 3889619, 7779238, 15558476, 19448095, 31116952, 38896190, 77792380, 155584760]

約数ペア:

[(1, 155584760), (2, 77792380), (4, 38896190), (5, 31116952), (8, 19448095), (10, 15558476), (20, 7779238), (40, 3889619), (421, 369560), (842, 184780), (1684, 92390), (2105, 73912), (3368, 46195), (4210, 36956), (8420, 18478), (9239, 16840)]