42039640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 100971360

約数和(自身を除く): 58931720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 293, 340, 422, 586, 680, 844, 1055, 1172, 1465, 1688, 2110, 2344, 2930, 3587, 4220, 4981, 5860, 7174, 8440, 9962, 11720, 14348, 17935, 19924, 24905, 28696, 35870, 39848, 49810, 61823, 71740, 99620, 123646, 143480, 199240, 247292, 309115, 494584, 618230, 1050991, 1236460, 2101982, 2472920, 4203964, 5254955, 8407928, 10509910, 21019820, 42039640]

約数ペア:

[(1, 42039640), (2, 21019820), (4, 10509910), (5, 8407928), (8, 5254955), (10, 4203964), (17, 2472920), (20, 2101982), (34, 1236460), (40, 1050991), (68, 618230), (85, 494584), (136, 309115), (170, 247292), (211, 199240), (293, 143480), (340, 123646), (422, 99620), (586, 71740), (680, 61823), (844, 49810), (1055, 39848), (1172, 35870), (1465, 28696), (1688, 24905), (2110, 19924), (2344, 17935), (2930, 14348), (3587, 11720), (4220, 9962), (4981, 8440), (5860, 7174)]