4517500

素因数分解:

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

素因数の和:176

約数の個数: 60

約数和(自身を含む): 10715320

約数和(自身を除く): 6197820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 139, 250, 260, 278, 325, 500, 556, 625, 650, 695, 1250, 1300, 1390, 1625, 1807, 2500, 2780, 3250, 3475, 3614, 6500, 6950, 7228, 8125, 9035, 13900, 16250, 17375, 18070, 32500, 34750, 36140, 45175, 69500, 86875, 90350, 173750, 180700, 225875, 347500, 451750, 903500, 1129375, 2258750, 4517500]

約数ペア:

[(1, 4517500), (2, 2258750), (4, 1129375), (5, 903500), (10, 451750), (13, 347500), (20, 225875), (25, 180700), (26, 173750), (50, 90350), (52, 86875), (65, 69500), (100, 45175), (125, 36140), (130, 34750), (139, 32500), (250, 18070), (260, 17375), (278, 16250), (325, 13900), (500, 9035), (556, 8125), (625, 7228), (650, 6950), (695, 6500), (1250, 3614), (1300, 3475), (1390, 3250), (1625, 2780), (1807, 2500)]