40074020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{286243}}^1$

素因数の和:286259

約数の個数: 24

約数和(自身を含む): 96177984

約数和(自身を除く): 56103964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 286243, 572486, 1144972, 1431215, 2003701, 2862430, 4007402, 5724860, 8014804, 10018505, 20037010, 40074020]

約数ペア:

[(1, 40074020), (2, 20037010), (4, 10018505), (5, 8014804), (7, 5724860), (10, 4007402), (14, 2862430), (20, 2003701), (28, 1431215), (35, 1144972), (70, 572486), (140, 286243)]