23313550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 49014720

約数和(自身を除く): 25701170

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 89, 130, 155, 169, 178, 310, 325, 338, 403, 445, 650, 775, 806, 845, 890, 1157, 1550, 1690, 2015, 2225, 2314, 2759, 4030, 4225, 4450, 5239, 5518, 5785, 8450, 10075, 10478, 11570, 13795, 15041, 20150, 26195, 27590, 28925, 30082, 35867, 52390, 57850, 68975, 71734, 75205, 130975, 137950, 150410, 179335, 261950, 358670, 376025, 466271, 752050, 896675, 932542, 1793350, 2331355, 4662710, 11656775, 23313550]

約数ペア:

[(1, 23313550), (2, 11656775), (5, 4662710), (10, 2331355), (13, 1793350), (25, 932542), (26, 896675), (31, 752050), (50, 466271), (62, 376025), (65, 358670), (89, 261950), (130, 179335), (155, 150410), (169, 137950), (178, 130975), (310, 75205), (325, 71734), (338, 68975), (403, 57850), (445, 52390), (650, 35867), (775, 30082), (806, 28925), (845, 27590), (890, 26195), (1157, 20150), (1550, 15041), (1690, 13795), (2015, 11570), (2225, 10478), (2314, 10075), (2759, 8450), (4030, 5785), (4225, 5518), (4450, 5239)]