72723440

素因数分解:

$2^4\times 5^1\times {\mathrm{909043}}^1$

素因数の和:909056

約数の個数: 20

約数和(自身を含む): 169082184

約数和(自身を除く): 96358744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909043, 1818086, 3636172, 4545215, 7272344, 9090430, 14544688, 18180860, 36361720, 72723440]

約数ペア:

[(1, 72723440), (2, 36361720), (4, 18180860), (5, 14544688), (8, 9090430), (10, 7272344), (16, 4545215), (20, 3636172), (40, 1818086), (80, 909043)]