8403460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32321}}^1$

素因数の和:32343

約数の個数: 24

約数和(自身を含む): 19005336

約数和(自身を除く): 10601876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32321, 64642, 129284, 161605, 323210, 420173, 646420, 840346, 1680692, 2100865, 4201730, 8403460]

約数ペア:

[(1, 8403460), (2, 4201730), (4, 2100865), (5, 1680692), (10, 840346), (13, 646420), (20, 420173), (26, 323210), (52, 161605), (65, 129284), (130, 64642), (260, 32321)]