28388440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 67910400

約数和(自身を除く): 39521960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 295, 460, 472, 523, 590, 920, 1046, 1180, 1357, 2092, 2360, 2615, 2714, 4184, 5230, 5428, 6785, 10460, 10856, 12029, 13570, 20920, 24058, 27140, 30857, 48116, 54280, 60145, 61714, 96232, 120290, 123428, 154285, 240580, 246856, 308570, 481160, 617140, 709711, 1234280, 1419422, 2838844, 3548555, 5677688, 7097110, 14194220, 28388440]

約数ペア:

[(1, 28388440), (2, 14194220), (4, 7097110), (5, 5677688), (8, 3548555), (10, 2838844), (20, 1419422), (23, 1234280), (40, 709711), (46, 617140), (59, 481160), (92, 308570), (115, 246856), (118, 240580), (184, 154285), (230, 123428), (236, 120290), (295, 96232), (460, 61714), (472, 60145), (523, 54280), (590, 48116), (920, 30857), (1046, 27140), (1180, 24058), (1357, 20920), (2092, 13570), (2360, 12029), (2615, 10856), (2714, 10460), (4184, 6785), (5230, 5428)]