87909160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 202507200

約数和(自身を除く): 114598040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 139, 163, 194, 278, 326, 388, 485, 556, 652, 695, 776, 815, 970, 1112, 1304, 1390, 1630, 1940, 2780, 3260, 3880, 5560, 6520, 13483, 15811, 22657, 26966, 31622, 45314, 53932, 63244, 67415, 79055, 90628, 107864, 113285, 126488, 134830, 158110, 181256, 226570, 269660, 316220, 453140, 539320, 632440, 906280, 2197729, 4395458, 8790916, 10988645, 17581832, 21977290, 43954580, 87909160]

約数ペア:

[(1, 87909160), (2, 43954580), (4, 21977290), (5, 17581832), (8, 10988645), (10, 8790916), (20, 4395458), (40, 2197729), (97, 906280), (139, 632440), (163, 539320), (194, 453140), (278, 316220), (326, 269660), (388, 226570), (485, 181256), (556, 158110), (652, 134830), (695, 126488), (776, 113285), (815, 107864), (970, 90628), (1112, 79055), (1304, 67415), (1390, 63244), (1630, 53932), (1940, 45314), (2780, 31622), (3260, 26966), (3880, 22657), (5560, 15811), (6520, 13483)]