22890800

素因数分解:

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

素因数の和:750

約数の個数: 60

約数和(自身を含む): 55699560

約数和(自身を除く): 32808760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 643, 712, 890, 1286, 1424, 1780, 2225, 2572, 3215, 3560, 4450, 5144, 6430, 7120, 8900, 10288, 12860, 16075, 17800, 25720, 32150, 35600, 51440, 57227, 64300, 114454, 128600, 228908, 257200, 286135, 457816, 572270, 915632, 1144540, 1430675, 2289080, 2861350, 4578160, 5722700, 11445400, 22890800]

約数ペア:

[(1, 22890800), (2, 11445400), (4, 5722700), (5, 4578160), (8, 2861350), (10, 2289080), (16, 1430675), (20, 1144540), (25, 915632), (40, 572270), (50, 457816), (80, 286135), (89, 257200), (100, 228908), (178, 128600), (200, 114454), (356, 64300), (400, 57227), (445, 51440), (643, 35600), (712, 32150), (890, 25720), (1286, 17800), (1424, 16075), (1780, 12860), (2225, 10288), (2572, 8900), (3215, 7120), (3560, 6430), (4450, 5144)]