53965000

素因数分解:

$2^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 129895920

約数和(自身を除く): 75930920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 251, 344, 430, 500, 502, 625, 860, 1000, 1004, 1075, 1250, 1255, 1720, 2008, 2150, 2500, 2510, 4300, 5000, 5020, 5375, 6275, 8600, 10040, 10750, 10793, 12550, 21500, 21586, 25100, 26875, 31375, 43000, 43172, 50200, 53750, 53965, 62750, 86344, 107500, 107930, 125500, 156875, 215000, 215860, 251000, 269825, 313750, 431720, 539650, 627500, 1079300, 1255000, 1349125, 2158600, 2698250, 5396500, 6745625, 10793000, 13491250, 26982500, 53965000]

約数ペア:

[(1, 53965000), (2, 26982500), (4, 13491250), (5, 10793000), (8, 6745625), (10, 5396500), (20, 2698250), (25, 2158600), (40, 1349125), (43, 1255000), (50, 1079300), (86, 627500), (100, 539650), (125, 431720), (172, 313750), (200, 269825), (215, 251000), (250, 215860), (251, 215000), (344, 156875), (430, 125500), (500, 107930), (502, 107500), (625, 86344), (860, 62750), (1000, 53965), (1004, 53750), (1075, 50200), (1250, 43172), (1255, 43000), (1720, 31375), (2008, 26875), (2150, 25100), (2500, 21586), (2510, 21500), (4300, 12550), (5000, 10793), (5020, 10750), (5375, 10040), (6275, 8600)]