8817920

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^2$

素因数の和:187

約数の個数: 54

約数和(自身を含む): 21379218

約数和(自身を除く): 12561298

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 664, 830, 1280, 1328, 1660, 2656, 3320, 5312, 6640, 6889, 10624, 13280, 13778, 21248, 26560, 27556, 34445, 53120, 55112, 68890, 106240, 110224, 137780, 220448, 275560, 440896, 551120, 881792, 1102240, 1763584, 2204480, 4408960, 8817920]

約数ペア:

[(1, 8817920), (2, 4408960), (4, 2204480), (5, 1763584), (8, 1102240), (10, 881792), (16, 551120), (20, 440896), (32, 275560), (40, 220448), (64, 137780), (80, 110224), (83, 106240), (128, 68890), (160, 55112), (166, 53120), (256, 34445), (320, 27556), (332, 26560), (415, 21248), (640, 13778), (664, 13280), (830, 10624), (1280, 6889), (1328, 6640), (1660, 5312), (2656, 3320)]