40078490

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{7019}}^1$

素因数の和:7597

約数の個数: 16

約数和(自身を含む): 72277920

約数和(自身を除く): 32199430

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 5710, 7019, 14038, 35095, 70190, 4007849, 8015698, 20039245, 40078490]

約数ペア:

[(1, 40078490), (2, 20039245), (5, 8015698), (10, 4007849), (571, 70190), (1142, 35095), (2855, 14038), (5710, 7019)]