11959480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 29383200

約数和(自身を除く): 17423720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 211, 218, 260, 422, 436, 520, 545, 844, 872, 1055, 1090, 1417, 1688, 2110, 2180, 2743, 2834, 4220, 4360, 5486, 5668, 7085, 8440, 10972, 11336, 13715, 14170, 21944, 22999, 27430, 28340, 45998, 54860, 56680, 91996, 109720, 114995, 183992, 229990, 298987, 459980, 597974, 919960, 1195948, 1494935, 2391896, 2989870, 5979740, 11959480]

約数ペア:

[(1, 11959480), (2, 5979740), (4, 2989870), (5, 2391896), (8, 1494935), (10, 1195948), (13, 919960), (20, 597974), (26, 459980), (40, 298987), (52, 229990), (65, 183992), (104, 114995), (109, 109720), (130, 91996), (211, 56680), (218, 54860), (260, 45998), (422, 28340), (436, 27430), (520, 22999), (545, 21944), (844, 14170), (872, 13715), (1055, 11336), (1090, 10972), (1417, 8440), (1688, 7085), (2110, 5668), (2180, 5486), (2743, 4360), (2834, 4220)]