55664440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 135898560

約数和(自身を除く): 80234120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 641, 668, 835, 1282, 1336, 1670, 2171, 2564, 3205, 3340, 4342, 5128, 6410, 6680, 8333, 8684, 10855, 12820, 16666, 17368, 21710, 25640, 33332, 41665, 43420, 66664, 83330, 86840, 107047, 166660, 214094, 333320, 428188, 535235, 856376, 1070470, 1391611, 2140940, 2783222, 4281880, 5566444, 6958055, 11132888, 13916110, 27832220, 55664440]

約数ペア:

[(1, 55664440), (2, 27832220), (4, 13916110), (5, 11132888), (8, 6958055), (10, 5566444), (13, 4281880), (20, 2783222), (26, 2140940), (40, 1391611), (52, 1070470), (65, 856376), (104, 535235), (130, 428188), (167, 333320), (260, 214094), (334, 166660), (520, 107047), (641, 86840), (668, 83330), (835, 66664), (1282, 43420), (1336, 41665), (1670, 33332), (2171, 25640), (2564, 21710), (3205, 17368), (3340, 16666), (4342, 12820), (5128, 10855), (6410, 8684), (6680, 8333)]