129706240

素因数分解:

$2^8\times 5^1\times {\mathrm{101333}}^1$

素因数の和:101354

約数の個数: 36

約数和(自身を含む): 310690044

約数和(自身を除く): 180983804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 101333, 202666, 405332, 506665, 810664, 1013330, 1621328, 2026660, 3242656, 4053320, 6485312, 8106640, 12970624, 16213280, 25941248, 32426560, 64853120, 129706240]

約数ペア:

[(1, 129706240), (2, 64853120), (4, 32426560), (5, 25941248), (8, 16213280), (10, 12970624), (16, 8106640), (20, 6485312), (32, 4053320), (40, 3242656), (64, 2026660), (80, 1621328), (128, 1013330), (160, 810664), (256, 506665), (320, 405332), (640, 202666), (1280, 101333)]