2215496720

素因数分解:

$2^4\times 5^1\times {\mathrm{27693709}}^1$

素因数の和:27693722

約数の個数: 20

約数和(自身を含む): 5151030060

約数和(自身を除く): 2935533340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27693709, 55387418, 110774836, 138468545, 221549672, 276937090, 443099344, 553874180, 1107748360, 2215496720]

約数ペア:

[(1, 2215496720), (2, 1107748360), (4, 553874180), (5, 443099344), (8, 276937090), (10, 221549672), (16, 138468545), (20, 110774836), (40, 55387418), (80, 27693709)]