80338840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2857}}^1$

素因数の和:2924

約数の個数: 64

約数和(自身を含む): 195487200

約数和(自身を除く): 115148360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 2857, 3515, 5624, 5714, 7030, 11428, 14060, 14285, 22856, 28120, 28570, 54283, 57140, 105709, 108566, 114280, 211418, 217132, 271415, 422836, 434264, 528545, 542830, 845672, 1057090, 1085660, 2008471, 2114180, 2171320, 4016942, 4228360, 8033884, 10042355, 16067768, 20084710, 40169420, 80338840]

約数ペア:

[(1, 80338840), (2, 40169420), (4, 20084710), (5, 16067768), (8, 10042355), (10, 8033884), (19, 4228360), (20, 4016942), (37, 2171320), (38, 2114180), (40, 2008471), (74, 1085660), (76, 1057090), (95, 845672), (148, 542830), (152, 528545), (185, 434264), (190, 422836), (296, 271415), (370, 217132), (380, 211418), (703, 114280), (740, 108566), (760, 105709), (1406, 57140), (1480, 54283), (2812, 28570), (2857, 28120), (3515, 22856), (5624, 14285), (5714, 14060), (7030, 11428)]