28076020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28649}}^1$

素因数の和:28672

約数の個数: 36

約数和(自身を含む): 68588100

約数和(自身を除く): 40512080

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28649, 57298, 114596, 143245, 200543, 286490, 401086, 572980, 802172, 1002715, 1403801, 2005430, 2807602, 4010860, 5615204, 7019005, 14038010, 28076020]

約数ペア:

[(1, 28076020), (2, 14038010), (4, 7019005), (5, 5615204), (7, 4010860), (10, 2807602), (14, 2005430), (20, 1403801), (28, 1002715), (35, 802172), (49, 572980), (70, 401086), (98, 286490), (140, 200543), (196, 143245), (245, 114596), (490, 57298), (980, 28649)]