12401320

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{797}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 28009800

約数和(自身を除く): 15608480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 797, 1556, 1594, 1945, 3112, 3188, 3890, 3985, 6376, 7780, 7970, 15560, 15940, 31880, 310033, 620066, 1240132, 1550165, 2480264, 3100330, 6200660, 12401320]

約数ペア:

[(1, 12401320), (2, 6200660), (4, 3100330), (5, 2480264), (8, 1550165), (10, 1240132), (20, 620066), (40, 310033), (389, 31880), (778, 15940), (797, 15560), (1556, 7970), (1594, 7780), (1945, 6376), (3112, 3985), (3188, 3890)]