8240440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 21345120

約数和(自身を除く): 13104680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 53, 65, 92, 104, 106, 115, 130, 169, 184, 212, 230, 260, 265, 299, 338, 424, 460, 520, 530, 598, 676, 689, 845, 920, 1060, 1196, 1219, 1352, 1378, 1495, 1690, 2120, 2392, 2438, 2756, 2990, 3380, 3445, 3887, 4876, 5512, 5980, 6095, 6760, 6890, 7774, 8957, 9752, 11960, 12190, 13780, 15548, 15847, 17914, 19435, 24380, 27560, 31096, 31694, 35828, 38870, 44785, 48760, 63388, 71656, 77740, 79235, 89570, 126776, 155480, 158470, 179140, 206011, 316940, 358280, 412022, 633880, 824044, 1030055, 1648088, 2060110, 4120220, 8240440]

約数ペア:

[(1, 8240440), (2, 4120220), (4, 2060110), (5, 1648088), (8, 1030055), (10, 824044), (13, 633880), (20, 412022), (23, 358280), (26, 316940), (40, 206011), (46, 179140), (52, 158470), (53, 155480), (65, 126776), (92, 89570), (104, 79235), (106, 77740), (115, 71656), (130, 63388), (169, 48760), (184, 44785), (212, 38870), (230, 35828), (260, 31694), (265, 31096), (299, 27560), (338, 24380), (424, 19435), (460, 17914), (520, 15847), (530, 15548), (598, 13780), (676, 12190), (689, 11960), (845, 9752), (920, 8957), (1060, 7774), (1196, 6890), (1219, 6760), (1352, 6095), (1378, 5980), (1495, 5512), (1690, 4876), (2120, 3887), (2392, 3445), (2438, 3380), (2756, 2990)]