26982500

素因数分解:

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

素因数の和:318

約数の個数: 60

約数和(自身を含む): 60618096

約数和(自身を除く): 33635596

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 251, 430, 500, 502, 625, 860, 1004, 1075, 1250, 1255, 2150, 2500, 2510, 4300, 5020, 5375, 6275, 10750, 10793, 12550, 21500, 21586, 25100, 26875, 31375, 43172, 53750, 53965, 62750, 107500, 107930, 125500, 156875, 215860, 269825, 313750, 539650, 627500, 1079300, 1349125, 2698250, 5396500, 6745625, 13491250, 26982500]

約数ペア:

[(1, 26982500), (2, 13491250), (4, 6745625), (5, 5396500), (10, 2698250), (20, 1349125), (25, 1079300), (43, 627500), (50, 539650), (86, 313750), (100, 269825), (125, 215860), (172, 156875), (215, 125500), (250, 107930), (251, 107500), (430, 62750), (500, 53965), (502, 53750), (625, 43172), (860, 31375), (1004, 26875), (1075, 25100), (1250, 21586), (1255, 21500), (2150, 12550), (2500, 10793), (2510, 10750), (4300, 6275), (5020, 5375)]