255145280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61333}}^1$

素因数の和:61363

約数の個数: 56

約数和(自身を含む): 654311112

約数和(自身を除く): 399165832

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, 61333, 122666, 245332, 306665, 490664, 613330, 797329, 981328, 1226660, 1594658, 1962656, 2453320, 3189316, 3925312, 3986645, 4906640, 6378632, 7973290, 9813280, 12757264, 15946580, 19626560, 25514528, 31893160, 51029056, 63786320, 127572640, 255145280]

約数ペア:

[(1, 255145280), (2, 127572640), (4, 63786320), (5, 51029056), (8, 31893160), (10, 25514528), (13, 19626560), (16, 15946580), (20, 12757264), (26, 9813280), (32, 7973290), (40, 6378632), (52, 4906640), (64, 3986645), (65, 3925312), (80, 3189316), (104, 2453320), (130, 1962656), (160, 1594658), (208, 1226660), (260, 981328), (320, 797329), (416, 613330), (520, 490664), (832, 306665), (1040, 245332), (2080, 122666), (4160, 61333)]