87087890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{5333}}^1$

素因数の和:5434

約数の個数: 32

約数和(自身を含む): 165908736

約数和(自身を除く): 78820846

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1633, 3266, 5333, 8165, 10666, 16330, 26665, 53330, 122659, 245318, 378643, 613295, 757286, 1226590, 1893215, 3786430, 8708789, 17417578, 43543945, 87087890]

約数ペア:

[(1, 87087890), (2, 43543945), (5, 17417578), (10, 8708789), (23, 3786430), (46, 1893215), (71, 1226590), (115, 757286), (142, 613295), (230, 378643), (355, 245318), (710, 122659), (1633, 53330), (3266, 26665), (5333, 16330), (8165, 10666)]