28686520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31181}}^1$

素因数の和:31215

約数の個数: 32

約数和(自身を含む): 67353120

約数和(自身を除く): 38666600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31181, 62362, 124724, 155905, 249448, 311810, 623620, 717163, 1247240, 1434326, 2868652, 3585815, 5737304, 7171630, 14343260, 28686520]

約数ペア:

[(1, 28686520), (2, 14343260), (4, 7171630), (5, 5737304), (8, 3585815), (10, 2868652), (20, 1434326), (23, 1247240), (40, 717163), (46, 623620), (92, 311810), (115, 249448), (184, 155905), (230, 124724), (460, 62362), (920, 31181)]