471440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 1124928

約数和(自身を除く): 653488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 83, 142, 166, 284, 332, 355, 415, 568, 664, 710, 830, 1136, 1328, 1420, 1660, 2840, 3320, 5680, 5893, 6640, 11786, 23572, 29465, 47144, 58930, 94288, 117860, 235720, 471440]

約数ペア:

[(1, 471440), (2, 235720), (4, 117860), (5, 94288), (8, 58930), (10, 47144), (16, 29465), (20, 23572), (40, 11786), (71, 6640), (80, 5893), (83, 5680), (142, 3320), (166, 2840), (284, 1660), (332, 1420), (355, 1328), (415, 1136), (568, 830), (664, 710)]