1665560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 4037040

約数和(自身を除く): 2371480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3203, 6406, 12812, 16015, 25624, 32030, 41639, 64060, 83278, 128120, 166556, 208195, 333112, 416390, 832780, 1665560]

約数ペア:

[(1, 1665560), (2, 832780), (4, 416390), (5, 333112), (8, 208195), (10, 166556), (13, 128120), (20, 83278), (26, 64060), (40, 41639), (52, 32030), (65, 25624), (104, 16015), (130, 12812), (260, 6406), (520, 3203)]