25150000

素因数分解:

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

素因数の和:536

約数の個数: 60

約数和(自身を含む): 61027344

約数和(自身を除く): 35877344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 503, 625, 1000, 1006, 1250, 2000, 2012, 2500, 2515, 3125, 4024, 5000, 5030, 6250, 8048, 10000, 10060, 12500, 12575, 20120, 25000, 25150, 40240, 50000, 50300, 62875, 100600, 125750, 201200, 251500, 314375, 503000, 628750, 1006000, 1257500, 1571875, 2515000, 3143750, 5030000, 6287500, 12575000, 25150000]

約数ペア:

[(1, 25150000), (2, 12575000), (4, 6287500), (5, 5030000), (8, 3143750), (10, 2515000), (16, 1571875), (20, 1257500), (25, 1006000), (40, 628750), (50, 503000), (80, 314375), (100, 251500), (125, 201200), (200, 125750), (250, 100600), (400, 62875), (500, 50300), (503, 50000), (625, 40240), (1000, 25150), (1006, 25000), (1250, 20120), (2000, 12575), (2012, 12500), (2500, 10060), (2515, 10000), (3125, 8048), (4024, 6250), (5000, 5030)]