40041976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{739}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 81118800

約数和(自身を除く): 41076824

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 521, 739, 1042, 1478, 2084, 2956, 4168, 5912, 6773, 9607, 13546, 19214, 27092, 38428, 54184, 76856, 385019, 770038, 1540076, 3080152, 5005247, 10010494, 20020988, 40041976]

約数ペア:

[(1, 40041976), (2, 20020988), (4, 10010494), (8, 5005247), (13, 3080152), (26, 1540076), (52, 770038), (104, 385019), (521, 76856), (739, 54184), (1042, 38428), (1478, 27092), (2084, 19214), (2956, 13546), (4168, 9607), (5912, 6773)]