51488720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27983}}^1$

素因数の和:28019

約数の個数: 40

約数和(自身を含む): 124920576

約数和(自身を除く): 73431856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 27983, 55966, 111932, 139915, 223864, 279830, 447728, 559660, 643609, 1119320, 1287218, 2238640, 2574436, 3218045, 5148872, 6436090, 10297744, 12872180, 25744360, 51488720]

約数ペア:

[(1, 51488720), (2, 25744360), (4, 12872180), (5, 10297744), (8, 6436090), (10, 5148872), (16, 3218045), (20, 2574436), (23, 2238640), (40, 1287218), (46, 1119320), (80, 643609), (92, 559660), (115, 447728), (184, 279830), (230, 223864), (368, 139915), (460, 111932), (920, 55966), (1840, 27983)]