80453360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77359}}^1$

素因数の和:77385

約数の個数: 40

約数和(自身を含む): 201445440

約数和(自身を除く): 120992080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 77359, 154718, 309436, 386795, 618872, 773590, 1005667, 1237744, 1547180, 2011334, 3094360, 4022668, 5028335, 6188720, 8045336, 10056670, 16090672, 20113340, 40226680, 80453360]

約数ペア:

[(1, 80453360), (2, 40226680), (4, 20113340), (5, 16090672), (8, 10056670), (10, 8045336), (13, 6188720), (16, 5028335), (20, 4022668), (26, 3094360), (40, 2011334), (52, 1547180), (65, 1237744), (80, 1005667), (104, 773590), (130, 618872), (208, 386795), (260, 309436), (520, 154718), (1040, 77359)]