1285687580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{27673}}^1$

素因数の和:27806

約数の個数: 48

約数和(自身を含む): 2845329984

約数和(自身を除く): 1559642404

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 460, 505, 1010, 2020, 2323, 4646, 9292, 11615, 23230, 27673, 46460, 55346, 110692, 138365, 276730, 553460, 636479, 1272958, 2545916, 2794973, 3182395, 5589946, 6364790, 11179892, 12729580, 13974865, 27949730, 55899460, 64284379, 128568758, 257137516, 321421895, 642843790, 1285687580]

約数ペア:

[(1, 1285687580), (2, 642843790), (4, 321421895), (5, 257137516), (10, 128568758), (20, 64284379), (23, 55899460), (46, 27949730), (92, 13974865), (101, 12729580), (115, 11179892), (202, 6364790), (230, 5589946), (404, 3182395), (460, 2794973), (505, 2545916), (1010, 1272958), (2020, 636479), (2323, 553460), (4646, 276730), (9292, 138365), (11615, 110692), (23230, 55346), (27673, 46460)]