80425280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19333}}^1$

素因数の和:19363

約数の個数: 56

約数和(自身を含む): 206255112

約数和(自身を除く): 125829832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 19333, 38666, 77332, 96665, 154664, 193330, 251329, 309328, 386660, 502658, 618656, 773320, 1005316, 1237312, 1256645, 1546640, 2010632, 2513290, 3093280, 4021264, 5026580, 6186560, 8042528, 10053160, 16085056, 20106320, 40212640, 80425280]

約数ペア:

[(1, 80425280), (2, 40212640), (4, 20106320), (5, 16085056), (8, 10053160), (10, 8042528), (13, 6186560), (16, 5026580), (20, 4021264), (26, 3093280), (32, 2513290), (40, 2010632), (52, 1546640), (64, 1256645), (65, 1237312), (80, 1005316), (104, 773320), (130, 618656), (160, 502658), (208, 386660), (260, 309328), (320, 251329), (416, 193330), (520, 154664), (832, 96665), (1040, 77332), (2080, 38666), (4160, 19333)]