17403920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 43711488

約数和(自身を除く): 26307568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 191, 268, 272, 335, 340, 382, 536, 670, 680, 764, 955, 1072, 1139, 1340, 1360, 1528, 1910, 2278, 2680, 3056, 3247, 3820, 4556, 5360, 5695, 6494, 7640, 9112, 11390, 12797, 12988, 15280, 16235, 18224, 22780, 25594, 25976, 32470, 45560, 51188, 51952, 63985, 64940, 91120, 102376, 127970, 129880, 204752, 217549, 255940, 259760, 435098, 511880, 870196, 1023760, 1087745, 1740392, 2175490, 3480784, 4350980, 8701960, 17403920]

約数ペア:

[(1, 17403920), (2, 8701960), (4, 4350980), (5, 3480784), (8, 2175490), (10, 1740392), (16, 1087745), (17, 1023760), (20, 870196), (34, 511880), (40, 435098), (67, 259760), (68, 255940), (80, 217549), (85, 204752), (134, 129880), (136, 127970), (170, 102376), (191, 91120), (268, 64940), (272, 63985), (335, 51952), (340, 51188), (382, 45560), (536, 32470), (670, 25976), (680, 25594), (764, 22780), (955, 18224), (1072, 16235), (1139, 15280), (1340, 12988), (1360, 12797), (1528, 11390), (1910, 9112), (2278, 7640), (2680, 6494), (3056, 5695), (3247, 5360), (3820, 4556)]