51622880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18979}}^1$

素因数の和:19011

約数の個数: 48

約数和(自身を含む): 129139920

約数和(自身を除く): 77517040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 18979, 37958, 75916, 94895, 151832, 189790, 303664, 322643, 379580, 607328, 645286, 759160, 1290572, 1518320, 1613215, 2581144, 3036640, 3226430, 5162288, 6452860, 10324576, 12905720, 25811440, 51622880]

約数ペア:

[(1, 51622880), (2, 25811440), (4, 12905720), (5, 10324576), (8, 6452860), (10, 5162288), (16, 3226430), (17, 3036640), (20, 2581144), (32, 1613215), (34, 1518320), (40, 1290572), (68, 759160), (80, 645286), (85, 607328), (136, 379580), (160, 322643), (170, 303664), (272, 189790), (340, 151832), (544, 94895), (680, 75916), (1360, 37958), (2720, 18979)]