80719808

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:494

約数の個数: 84

約数和(自身を含む): 184068720

約数和(自身を除く): 103348912

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 169, 208, 221, 272, 338, 416, 439, 442, 544, 676, 832, 878, 884, 1088, 1352, 1756, 1768, 2704, 2873, 3512, 3536, 5408, 5707, 5746, 7024, 7072, 7463, 10816, 11414, 11492, 14048, 14144, 14926, 22828, 22984, 28096, 29852, 45656, 45968, 59704, 74191, 91312, 91936, 97019, 119408, 148382, 182624, 183872, 194038, 238816, 296764, 365248, 388076, 477632, 593528, 776152, 1187056, 1261247, 1552304, 2374112, 2522494, 3104608, 4748224, 5044988, 6209216, 10089976, 20179952, 40359904, 80719808]

約数ペア:

[(1, 80719808), (2, 40359904), (4, 20179952), (8, 10089976), (13, 6209216), (16, 5044988), (17, 4748224), (26, 3104608), (32, 2522494), (34, 2374112), (52, 1552304), (64, 1261247), (68, 1187056), (104, 776152), (136, 593528), (169, 477632), (208, 388076), (221, 365248), (272, 296764), (338, 238816), (416, 194038), (439, 183872), (442, 182624), (544, 148382), (676, 119408), (832, 97019), (878, 91936), (884, 91312), (1088, 74191), (1352, 59704), (1756, 45968), (1768, 45656), (2704, 29852), (2873, 28096), (3512, 22984), (3536, 22828), (5408, 14926), (5707, 14144), (5746, 14048), (7024, 11492), (7072, 11414), (7463, 10816)]