87365720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9883}}^1$

素因数の和:9924

約数の個数: 64

約数和(自身を含む): 224169120

約数和(自身を除く): 136803400

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 9883, 19766, 39532, 49415, 79064, 98830, 128479, 168011, 197660, 256958, 336022, 395320, 513916, 642395, 672044, 840055, 1027832, 1284790, 1344088, 1680110, 2184143, 2569580, 3360220, 4368286, 5139160, 6720440, 8736572, 10920715, 17473144, 21841430, 43682860, 87365720]

約数ペア:

[(1, 87365720), (2, 43682860), (4, 21841430), (5, 17473144), (8, 10920715), (10, 8736572), (13, 6720440), (17, 5139160), (20, 4368286), (26, 3360220), (34, 2569580), (40, 2184143), (52, 1680110), (65, 1344088), (68, 1284790), (85, 1027832), (104, 840055), (130, 672044), (136, 642395), (170, 513916), (221, 395320), (260, 336022), (340, 256958), (442, 197660), (520, 168011), (680, 128479), (884, 98830), (1105, 79064), (1768, 49415), (2210, 39532), (4420, 19766), (8840, 9883)]