53138320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10889}}^1$

素因数の和:10963

約数の個数: 40

約数和(自身を含む): 125583480

約数和(自身を除く): 72445160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 10889, 21778, 43556, 54445, 87112, 108890, 174224, 217780, 435560, 664229, 871120, 1328458, 2656916, 3321145, 5313832, 6642290, 10627664, 13284580, 26569160, 53138320]

約数ペア:

[(1, 53138320), (2, 26569160), (4, 13284580), (5, 10627664), (8, 6642290), (10, 5313832), (16, 3321145), (20, 2656916), (40, 1328458), (61, 871120), (80, 664229), (122, 435560), (244, 217780), (305, 174224), (488, 108890), (610, 87112), (976, 54445), (1220, 43556), (2440, 21778), (4880, 10889)]