208131430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1979}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 404157600

約数和(自身を除く): 196026170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 809, 1618, 1979, 3958, 4045, 8090, 9895, 10517, 19790, 21034, 25727, 51454, 52585, 105170, 128635, 257270, 1601011, 3202022, 8005055, 16010110, 20813143, 41626286, 104065715, 208131430]

約数ペア:

[(1, 208131430), (2, 104065715), (5, 41626286), (10, 20813143), (13, 16010110), (26, 8005055), (65, 3202022), (130, 1601011), (809, 257270), (1618, 128635), (1979, 105170), (3958, 52585), (4045, 51454), (8090, 25727), (9895, 21034), (10517, 19790)]