40148968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 83980800

約数和(自身を除く): 43831832

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 89, 107, 124, 136, 178, 214, 248, 356, 428, 527, 712, 856, 1054, 1513, 1819, 2108, 2759, 3026, 3317, 3638, 4216, 5518, 6052, 6634, 7276, 9523, 11036, 12104, 13268, 14552, 19046, 22072, 26536, 38092, 46903, 56389, 76184, 93806, 112778, 161891, 187612, 225556, 295213, 323782, 375224, 451112, 590426, 647564, 1180852, 1295128, 2361704, 5018621, 10037242, 20074484, 40148968]

約数ペア:

[(1, 40148968), (2, 20074484), (4, 10037242), (8, 5018621), (17, 2361704), (31, 1295128), (34, 1180852), (62, 647564), (68, 590426), (89, 451112), (107, 375224), (124, 323782), (136, 295213), (178, 225556), (214, 187612), (248, 161891), (356, 112778), (428, 93806), (527, 76184), (712, 56389), (856, 46903), (1054, 38092), (1513, 26536), (1819, 22072), (2108, 19046), (2759, 14552), (3026, 13268), (3317, 12104), (3638, 11036), (4216, 9523), (5518, 7276), (6052, 6634)]