69908240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8017}}^1$

素因数の和:8139

約数の個数: 40

約数和(自身を含む): 164048280

約数和(自身を除く): 94140040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8017, 8720, 16034, 32068, 40085, 64136, 80170, 128272, 160340, 320680, 641360, 873853, 1747706, 3495412, 4369265, 6990824, 8738530, 13981648, 17477060, 34954120, 69908240]

約数ペア:

[(1, 69908240), (2, 34954120), (4, 17477060), (5, 13981648), (8, 8738530), (10, 6990824), (16, 4369265), (20, 3495412), (40, 1747706), (80, 873853), (109, 641360), (218, 320680), (436, 160340), (545, 128272), (872, 80170), (1090, 64136), (1744, 40085), (2180, 32068), (4360, 16034), (8017, 8720)]