123040240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49613}}^1$

素因数の和:49657

約数の個数: 40

約数和(自身を含む): 295302528

約数和(自身を除く): 172262288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 49613, 99226, 198452, 248065, 396904, 496130, 793808, 992260, 1538003, 1984520, 3076006, 3969040, 6152012, 7690015, 12304024, 15380030, 24608048, 30760060, 61520120, 123040240]

約数ペア:

[(1, 123040240), (2, 61520120), (4, 30760060), (5, 24608048), (8, 15380030), (10, 12304024), (16, 7690015), (20, 6152012), (31, 3969040), (40, 3076006), (62, 1984520), (80, 1538003), (124, 992260), (155, 793808), (248, 496130), (310, 396904), (496, 248065), (620, 198452), (1240, 99226), (2480, 49613)]