39828880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5504

約数の個数: 80

約数和(自身を含む): 113992704

約数和(自身を除く): 74163824

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5471, 7280, 10942, 21884, 27355, 38297, 43768, 54710, 71123, 76594, 87536, 109420, 142246, 153188, 191485, 218840, 284492, 306376, 355615, 382970, 437680, 497861, 568984, 612752, 711230, 765940, 995722, 1137968, 1422460, 1531880, 1991444, 2489305, 2844920, 3063760, 3982888, 4978610, 5689840, 7965776, 9957220, 19914440, 39828880]

約数ペア:

[(1, 39828880), (2, 19914440), (4, 9957220), (5, 7965776), (7, 5689840), (8, 4978610), (10, 3982888), (13, 3063760), (14, 2844920), (16, 2489305), (20, 1991444), (26, 1531880), (28, 1422460), (35, 1137968), (40, 995722), (52, 765940), (56, 711230), (65, 612752), (70, 568984), (80, 497861), (91, 437680), (104, 382970), (112, 355615), (130, 306376), (140, 284492), (182, 218840), (208, 191485), (260, 153188), (280, 142246), (364, 109420), (455, 87536), (520, 76594), (560, 71123), (728, 54710), (910, 43768), (1040, 38297), (1456, 27355), (1820, 21884), (3640, 10942), (5471, 7280)]