38480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:63

約数の個数: 40

約数和(自身を含む): 98952

約数和(自身を除く): 60472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 38480]

約数ペア:

[(1, 38480), (2, 19240), (4, 9620), (5, 7696), (8, 4810), (10, 3848), (13, 2960), (16, 2405), (20, 1924), (26, 1480), (37, 1040), (40, 962), (52, 740), (65, 592), (74, 520), (80, 481), (104, 370), (130, 296), (148, 260), (185, 208)]