39691990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3023}}^1$

素因数の和:3144

約数の個数: 32

約数和(自身を含む): 77728896

約数和(自身を除く): 38036906

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2626, 3023, 6046, 6565, 13130, 15115, 30230, 39299, 78598, 196495, 305323, 392990, 610646, 1526615, 3053230, 3969199, 7938398, 19845995, 39691990]

約数ペア:

[(1, 39691990), (2, 19845995), (5, 7938398), (10, 3969199), (13, 3053230), (26, 1526615), (65, 610646), (101, 392990), (130, 305323), (202, 196495), (505, 78598), (1010, 39299), (1313, 30230), (2626, 15115), (3023, 13130), (6046, 6565)]