17957680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 46497024

約数和(自身を除く): 28539344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 557, 620, 806, 1040, 1114, 1240, 1612, 2015, 2228, 2480, 2785, 3224, 4030, 4456, 5570, 6448, 7241, 8060, 8912, 11140, 14482, 16120, 17267, 22280, 28964, 32240, 34534, 36205, 44560, 57928, 69068, 72410, 86335, 115856, 138136, 144820, 172670, 224471, 276272, 289640, 345340, 448942, 579280, 690680, 897884, 1122355, 1381360, 1795768, 2244710, 3591536, 4489420, 8978840, 17957680]

約数ペア:

[(1, 17957680), (2, 8978840), (4, 4489420), (5, 3591536), (8, 2244710), (10, 1795768), (13, 1381360), (16, 1122355), (20, 897884), (26, 690680), (31, 579280), (40, 448942), (52, 345340), (62, 289640), (65, 276272), (80, 224471), (104, 172670), (124, 144820), (130, 138136), (155, 115856), (208, 86335), (248, 72410), (260, 69068), (310, 57928), (403, 44560), (496, 36205), (520, 34534), (557, 32240), (620, 28964), (806, 22280), (1040, 17267), (1114, 16120), (1240, 14482), (1612, 11140), (2015, 8912), (2228, 8060), (2480, 7241), (2785, 6448), (3224, 5570), (4030, 4456)]