27131320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2347}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 64875240

約数和(自身を除く): 37743920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2347, 2890, 4694, 5780, 9388, 11560, 11735, 18776, 23470, 39899, 46940, 79798, 93880, 159596, 199495, 319192, 398990, 678283, 797980, 1356566, 1595960, 2713132, 3391415, 5426264, 6782830, 13565660, 27131320]

約数ペア:

[(1, 27131320), (2, 13565660), (4, 6782830), (5, 5426264), (8, 3391415), (10, 2713132), (17, 1595960), (20, 1356566), (34, 797980), (40, 678283), (68, 398990), (85, 319192), (136, 199495), (170, 159596), (289, 93880), (340, 79798), (578, 46940), (680, 39899), (1156, 23470), (1445, 18776), (2312, 11735), (2347, 11560), (2890, 9388), (4694, 5780)]