87512860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 199730160

約数和(自身を除く): 112217300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 137, 164, 190, 205, 274, 380, 410, 548, 685, 779, 820, 1370, 1558, 1681, 2603, 2740, 3116, 3362, 3895, 5206, 5617, 6724, 7790, 8405, 10412, 11234, 13015, 15580, 16810, 22468, 26030, 28085, 31939, 33620, 52060, 56170, 63878, 106723, 112340, 127756, 159695, 213446, 230297, 319390, 426892, 460594, 533615, 638780, 921188, 1067230, 1151485, 2134460, 2302970, 4375643, 4605940, 8751286, 17502572, 21878215, 43756430, 87512860]

約数ペア:

[(1, 87512860), (2, 43756430), (4, 21878215), (5, 17502572), (10, 8751286), (19, 4605940), (20, 4375643), (38, 2302970), (41, 2134460), (76, 1151485), (82, 1067230), (95, 921188), (137, 638780), (164, 533615), (190, 460594), (205, 426892), (274, 319390), (380, 230297), (410, 213446), (548, 159695), (685, 127756), (779, 112340), (820, 106723), (1370, 63878), (1558, 56170), (1681, 52060), (2603, 33620), (2740, 31939), (3116, 28085), (3362, 26030), (3895, 22468), (5206, 16810), (5617, 15580), (6724, 13015), (7790, 11234), (8405, 10412)]