2258750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:174

約数の個数: 40

約数和(自身を含む): 4592280

約数和(自身を除く): 2333530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 139, 250, 278, 325, 625, 650, 695, 1250, 1390, 1625, 1807, 3250, 3475, 3614, 6950, 8125, 9035, 16250, 17375, 18070, 34750, 45175, 86875, 90350, 173750, 225875, 451750, 1129375, 2258750]

約数ペア:

[(1, 2258750), (2, 1129375), (5, 451750), (10, 225875), (13, 173750), (25, 90350), (26, 86875), (50, 45175), (65, 34750), (125, 18070), (130, 17375), (139, 16250), (250, 9035), (278, 8125), (325, 6950), (625, 3614), (650, 3475), (695, 3250), (1250, 1807), (1390, 1625)]