17506840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 42910560

約数和(自身を除く): 25403720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 257, 260, 262, 514, 520, 524, 655, 1028, 1048, 1285, 1310, 1703, 2056, 2570, 2620, 3341, 3406, 5140, 5240, 6682, 6812, 8515, 10280, 13364, 13624, 16705, 17030, 26728, 33410, 33667, 34060, 66820, 67334, 68120, 133640, 134668, 168335, 269336, 336670, 437671, 673340, 875342, 1346680, 1750684, 2188355, 3501368, 4376710, 8753420, 17506840]

約数ペア:

[(1, 17506840), (2, 8753420), (4, 4376710), (5, 3501368), (8, 2188355), (10, 1750684), (13, 1346680), (20, 875342), (26, 673340), (40, 437671), (52, 336670), (65, 269336), (104, 168335), (130, 134668), (131, 133640), (257, 68120), (260, 67334), (262, 66820), (514, 34060), (520, 33667), (524, 33410), (655, 26728), (1028, 17030), (1048, 16705), (1285, 13624), (1310, 13364), (1703, 10280), (2056, 8515), (2570, 6812), (2620, 6682), (3341, 5240), (3406, 5140)]