25843420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 58383360

約数和(自身を除く): 32539940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1447, 1786, 2894, 3572, 4465, 5788, 7235, 8930, 14470, 17860, 27493, 28940, 54986, 68009, 109972, 136018, 137465, 272036, 274930, 340045, 549860, 680090, 1292171, 1360180, 2584342, 5168684, 6460855, 12921710, 25843420]

約数ペア:

[(1, 25843420), (2, 12921710), (4, 6460855), (5, 5168684), (10, 2584342), (19, 1360180), (20, 1292171), (38, 680090), (47, 549860), (76, 340045), (94, 274930), (95, 272036), (188, 137465), (190, 136018), (235, 109972), (380, 68009), (470, 54986), (893, 28940), (940, 27493), (1447, 17860), (1786, 14470), (2894, 8930), (3572, 7235), (4465, 5788)]