40640515

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:702

約数の個数: 16

約数和(自身を含む): 49645440

約数和(自身を除く): 9004925

約数列:

[1, 5, 89, 271, 337, 445, 1355, 1685, 24119, 29993, 91327, 120595, 149965, 456635, 8128103, 40640515]

約数ペア:

[(1, 40640515), (5, 8128103), (89, 456635), (271, 149965), (337, 120595), (445, 91327), (1355, 29993), (1685, 24119)]