8724950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 18082176

約数和(自身を除く): 9357226

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 433, 650, 775, 806, 866, 1550, 2015, 2165, 4030, 4330, 5629, 10075, 10825, 11258, 13423, 20150, 21650, 26846, 28145, 56290, 67115, 134230, 140725, 174499, 281450, 335575, 348998, 671150, 872495, 1744990, 4362475, 8724950]

約数ペア:

[(1, 8724950), (2, 4362475), (5, 1744990), (10, 872495), (13, 671150), (25, 348998), (26, 335575), (31, 281450), (50, 174499), (62, 140725), (65, 134230), (130, 67115), (155, 56290), (310, 28145), (325, 26846), (403, 21650), (433, 20150), (650, 13423), (775, 11258), (806, 10825), (866, 10075), (1550, 5629), (2015, 4330), (2165, 4030)]