6840730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 13417488

約数和(自身を除く): 6576758

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 521, 1010, 1042, 1313, 2605, 2626, 5210, 6565, 6773, 13130, 13546, 33865, 52621, 67730, 105242, 263105, 526210, 684073, 1368146, 3420365, 6840730]

約数ペア:

[(1, 6840730), (2, 3420365), (5, 1368146), (10, 684073), (13, 526210), (26, 263105), (65, 105242), (101, 67730), (130, 52621), (202, 33865), (505, 13546), (521, 13130), (1010, 6773), (1042, 6565), (1313, 5210), (2605, 2626)]