87830860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1601}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 199698912

約数和(自身を除く): 111868052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 1601, 2110, 2743, 3202, 4220, 5486, 6404, 8005, 10972, 13715, 16010, 20813, 27430, 32020, 41626, 54860, 83252, 104065, 208130, 337811, 416260, 675622, 1351244, 1689055, 3378110, 4391543, 6756220, 8783086, 17566172, 21957715, 43915430, 87830860]

約数ペア:

[(1, 87830860), (2, 43915430), (4, 21957715), (5, 17566172), (10, 8783086), (13, 6756220), (20, 4391543), (26, 3378110), (52, 1689055), (65, 1351244), (130, 675622), (211, 416260), (260, 337811), (422, 208130), (844, 104065), (1055, 83252), (1601, 54860), (2110, 41626), (2743, 32020), (3202, 27430), (4220, 20813), (5486, 16010), (6404, 13715), (8005, 10972)]