65187440

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7211}}^1$

素因数の和:7337

約数の個数: 40

約数和(自身を含む): 152923248

約数和(自身を除く): 87735808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 7211, 9040, 14422, 28844, 36055, 57688, 72110, 115376, 144220, 288440, 576880, 814843, 1629686, 3259372, 4074215, 6518744, 8148430, 13037488, 16296860, 32593720, 65187440]

約数ペア:

[(1, 65187440), (2, 32593720), (4, 16296860), (5, 13037488), (8, 8148430), (10, 6518744), (16, 4074215), (20, 3259372), (40, 1629686), (80, 814843), (113, 576880), (226, 288440), (452, 144220), (565, 115376), (904, 72110), (1130, 57688), (1808, 36055), (2260, 28844), (4520, 14422), (7211, 9040)]