86799280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63823}}^1$

素因数の和:63853

約数の個数: 40

約数和(自身を含む): 213682752

約数和(自身を除く): 126883472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 63823, 127646, 255292, 319115, 510584, 638230, 1021168, 1084991, 1276460, 2169982, 2552920, 4339964, 5105840, 5424955, 8679928, 10849910, 17359856, 21699820, 43399640, 86799280]

約数ペア:

[(1, 86799280), (2, 43399640), (4, 21699820), (5, 17359856), (8, 10849910), (10, 8679928), (16, 5424955), (17, 5105840), (20, 4339964), (34, 2552920), (40, 2169982), (68, 1276460), (80, 1084991), (85, 1021168), (136, 638230), (170, 510584), (272, 319115), (340, 255292), (680, 127646), (1360, 63823)]