28733380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8501}}^1$

素因数の和:8536

約数の個数: 36

約数和(自身を含む): 65346372

約数和(自身を除く): 36612992

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8501, 17002, 34004, 42505, 85010, 110513, 170020, 221026, 442052, 552565, 1105130, 1436669, 2210260, 2873338, 5746676, 7183345, 14366690, 28733380]

約数ペア:

[(1, 28733380), (2, 14366690), (4, 7183345), (5, 5746676), (10, 2873338), (13, 2210260), (20, 1436669), (26, 1105130), (52, 552565), (65, 442052), (130, 221026), (169, 170020), (260, 110513), (338, 85010), (676, 42505), (845, 34004), (1690, 17002), (3380, 8501)]