72136720

素因数分解:

$2^4\times 5^1\times {\mathrm{901709}}^1$

素因数の和:901722

約数の個数: 20

約数和(自身を含む): 167718060

約数和(自身を除く): 95581340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 901709, 1803418, 3606836, 4508545, 7213672, 9017090, 14427344, 18034180, 36068360, 72136720]

約数ペア:

[(1, 72136720), (2, 36068360), (4, 18034180), (5, 14427344), (8, 9017090), (10, 7213672), (16, 4508545), (20, 3606836), (40, 1803418), (80, 901709)]