130646920

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{10639}}^1$

素因数の和:10957

約数の個数: 32

約数和(自身を含む): 294940800

約数和(自身を除く): 164293880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 10639, 12280, 21278, 42556, 53195, 85112, 106390, 212780, 425560, 3266173, 6532346, 13064692, 16330865, 26129384, 32661730, 65323460, 130646920]

約数ペア:

[(1, 130646920), (2, 65323460), (4, 32661730), (5, 26129384), (8, 16330865), (10, 13064692), (20, 6532346), (40, 3266173), (307, 425560), (614, 212780), (1228, 106390), (1535, 85112), (2456, 53195), (3070, 42556), (6140, 21278), (10639, 12280)]