4578160

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 10780560

約数和(自身を除く): 6202400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 643, 712, 890, 1286, 1424, 1780, 2572, 3215, 3560, 5144, 6430, 7120, 10288, 12860, 25720, 51440, 57227, 114454, 228908, 286135, 457816, 572270, 915632, 1144540, 2289080, 4578160]

約数ペア:

[(1, 4578160), (2, 2289080), (4, 1144540), (5, 915632), (8, 572270), (10, 457816), (16, 286135), (20, 228908), (40, 114454), (80, 57227), (89, 51440), (178, 25720), (356, 12860), (445, 10288), (643, 7120), (712, 6430), (890, 5144), (1286, 3560), (1424, 3215), (1780, 2572)]