2148121520

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{33191}}^1$

素因数の和:34013

約数の個数: 40

約数和(自身を含む): 5000706720

約数和(自身を除く): 2852585200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1618, 3236, 4045, 6472, 8090, 12944, 16180, 32360, 33191, 64720, 66382, 132764, 165955, 265528, 331910, 531056, 663820, 1327640, 2655280, 26851519, 53703038, 107406076, 134257595, 214812152, 268515190, 429624304, 537030380, 1074060760, 2148121520]

約数ペア:

[(1, 2148121520), (2, 1074060760), (4, 537030380), (5, 429624304), (8, 268515190), (10, 214812152), (16, 134257595), (20, 107406076), (40, 53703038), (80, 26851519), (809, 2655280), (1618, 1327640), (3236, 663820), (4045, 531056), (6472, 331910), (8090, 265528), (12944, 165955), (16180, 132764), (32360, 66382), (33191, 64720)]