38720270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2131}}^1$

素因数の和:2240

約数の個数: 32

約数和(自身を含む): 73681920

約数和(自身を除く): 34961650

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1817, 2131, 3634, 4262, 9085, 10655, 18170, 21310, 49013, 98026, 168349, 245065, 336698, 490130, 841745, 1683490, 3872027, 7744054, 19360135, 38720270]

約数ペア:

[(1, 38720270), (2, 19360135), (5, 7744054), (10, 3872027), (23, 1683490), (46, 841745), (79, 490130), (115, 336698), (158, 245065), (230, 168349), (395, 98026), (790, 49013), (1817, 21310), (2131, 18170), (3634, 10655), (4262, 9085)]