61946440

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4463}}^1$

素因数の和:4821

約数の個数: 32

約数和(自身を含む): 139812480

約数和(自身を除く): 77866040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 4463, 6940, 8926, 13880, 17852, 22315, 35704, 44630, 89260, 178520, 1548661, 3097322, 6194644, 7743305, 12389288, 15486610, 30973220, 61946440]

約数ペア:

[(1, 61946440), (2, 30973220), (4, 15486610), (5, 12389288), (8, 7743305), (10, 6194644), (20, 3097322), (40, 1548661), (347, 178520), (694, 89260), (1388, 44630), (1735, 35704), (2776, 22315), (3470, 17852), (4463, 13880), (6940, 8926)]