42784400

素因数分解:

$2^4\times 5^2\times {\mathrm{106961}}^1$

素因数の和:106979

約数の個数: 30

約数和(自身を含む): 102790482

約数和(自身を除く): 60006082

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 106961, 213922, 427844, 534805, 855688, 1069610, 1711376, 2139220, 2674025, 4278440, 5348050, 8556880, 10696100, 21392200, 42784400]

約数ペア:

[(1, 42784400), (2, 21392200), (4, 10696100), (5, 8556880), (8, 5348050), (10, 4278440), (16, 2674025), (20, 2139220), (25, 1711376), (40, 1069610), (50, 855688), (80, 534805), (100, 427844), (200, 213922), (400, 106961)]