2019357440

素因数分解:

$2^8\times 5^1\times {\mathrm{1577623}}^1$

素因数の和:1577644

約数の個数: 36

約数和(自身を含む): 4836995184

約数和(自身を除く): 2817637744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1577623, 3155246, 6310492, 7888115, 12620984, 15776230, 25241968, 31552460, 50483936, 63104920, 100967872, 126209840, 201935744, 252419680, 403871488, 504839360, 1009678720, 2019357440]

約数ペア:

[(1, 2019357440), (2, 1009678720), (4, 504839360), (5, 403871488), (8, 252419680), (10, 201935744), (16, 126209840), (20, 100967872), (32, 63104920), (40, 50483936), (64, 31552460), (80, 25241968), (128, 15776230), (160, 12620984), (256, 7888115), (320, 6310492), (640, 3155246), (1280, 1577623)]