83560240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17123}}^1$

素因数の和:17197

約数の個数: 40

約数和(自身を含む): 197473968

約数和(自身を除く): 113913728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 17123, 34246, 68492, 85615, 136984, 171230, 273968, 342460, 684920, 1044503, 1369840, 2089006, 4178012, 5222515, 8356024, 10445030, 16712048, 20890060, 41780120, 83560240]

約数ペア:

[(1, 83560240), (2, 41780120), (4, 20890060), (5, 16712048), (8, 10445030), (10, 8356024), (16, 5222515), (20, 4178012), (40, 2089006), (61, 1369840), (80, 1044503), (122, 684920), (244, 342460), (305, 273968), (488, 171230), (610, 136984), (976, 85615), (1220, 68492), (2440, 34246), (4880, 17123)]