8109440

素因数分解:

$2^7\times 5^1\times {\mathrm{12671}}^1$

素因数の和:12690

約数の個数: 32

約数和(自身を含む): 19388160

約数和(自身を除く): 11278720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12671, 25342, 50684, 63355, 101368, 126710, 202736, 253420, 405472, 506840, 810944, 1013680, 1621888, 2027360, 4054720, 8109440]

約数ペア:

[(1, 8109440), (2, 4054720), (4, 2027360), (5, 1621888), (8, 1013680), (10, 810944), (16, 506840), (20, 405472), (32, 253420), (40, 202736), (64, 126710), (80, 101368), (128, 63355), (160, 50684), (320, 25342), (640, 12671)]