51557500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:568

約数の個数: 60

約数和(自身を含む): 115725456

約数和(自身を除く): 64167956

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 503, 625, 820, 1006, 1025, 1250, 2012, 2050, 2500, 2515, 4100, 5030, 5125, 10060, 10250, 12575, 20500, 20623, 25150, 25625, 41246, 50300, 51250, 62875, 82492, 102500, 103115, 125750, 206230, 251500, 314375, 412460, 515575, 628750, 1031150, 1257500, 2062300, 2577875, 5155750, 10311500, 12889375, 25778750, 51557500]

約数ペア:

[(1, 51557500), (2, 25778750), (4, 12889375), (5, 10311500), (10, 5155750), (20, 2577875), (25, 2062300), (41, 1257500), (50, 1031150), (82, 628750), (100, 515575), (125, 412460), (164, 314375), (205, 251500), (250, 206230), (410, 125750), (500, 103115), (503, 102500), (625, 82492), (820, 62875), (1006, 51250), (1025, 50300), (1250, 41246), (2012, 25625), (2050, 25150), (2500, 20623), (2515, 20500), (4100, 12575), (5030, 10250), (5125, 10060)]