28042840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100153}}^1$

素因数の和:100171

約数の個数: 32

約数和(自身を含む): 72110880

約数和(自身を除く): 44068040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100153, 200306, 400612, 500765, 701071, 801224, 1001530, 1402142, 2003060, 2804284, 3505355, 4006120, 5608568, 7010710, 14021420, 28042840]

約数ペア:

[(1, 28042840), (2, 14021420), (4, 7010710), (5, 5608568), (7, 4006120), (8, 3505355), (10, 2804284), (14, 2003060), (20, 1402142), (28, 1001530), (35, 801224), (40, 701071), (56, 500765), (70, 400612), (140, 200306), (280, 100153)]