12908090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3254

約数の個数: 32

約数和(自身を含む): 25837056

約数和(自身を除く): 12928966

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 3203, 4030, 6406, 16015, 32030, 41639, 83278, 99293, 198586, 208195, 416390, 496465, 992930, 1290809, 2581618, 6454045, 12908090]

約数ペア:

[(1, 12908090), (2, 6454045), (5, 2581618), (10, 1290809), (13, 992930), (26, 496465), (31, 416390), (62, 208195), (65, 198586), (130, 99293), (155, 83278), (310, 41639), (403, 32030), (806, 16015), (2015, 6406), (3203, 4030)]