16681750

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1259}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 31842720

約数和(自身を除く): 15160970

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1259, 1325, 2518, 2650, 6295, 6625, 12590, 13250, 31475, 62950, 66727, 133454, 157375, 314750, 333635, 667270, 1668175, 3336350, 8340875, 16681750]

約数ペア:

[(1, 16681750), (2, 8340875), (5, 3336350), (10, 1668175), (25, 667270), (50, 333635), (53, 314750), (106, 157375), (125, 133454), (250, 66727), (265, 62950), (530, 31475), (1259, 13250), (1325, 12590), (2518, 6625), (2650, 6295)]