11988520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 28667520

約数和(自身を除く): 16679000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 157, 166, 184, 230, 314, 332, 415, 460, 628, 664, 785, 830, 920, 1256, 1570, 1660, 1909, 3140, 3320, 3611, 3818, 6280, 7222, 7636, 9545, 13031, 14444, 15272, 18055, 19090, 26062, 28888, 36110, 38180, 52124, 65155, 72220, 76360, 104248, 130310, 144440, 260620, 299713, 521240, 599426, 1198852, 1498565, 2397704, 2997130, 5994260, 11988520]

約数ペア:

[(1, 11988520), (2, 5994260), (4, 2997130), (5, 2397704), (8, 1498565), (10, 1198852), (20, 599426), (23, 521240), (40, 299713), (46, 260620), (83, 144440), (92, 130310), (115, 104248), (157, 76360), (166, 72220), (184, 65155), (230, 52124), (314, 38180), (332, 36110), (415, 28888), (460, 26062), (628, 19090), (664, 18055), (785, 15272), (830, 14444), (920, 13031), (1256, 9545), (1570, 7636), (1660, 7222), (1909, 6280), (3140, 3818), (3320, 3611)]