52565560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 69362120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 223, 284, 332, 355, 415, 446, 568, 664, 710, 830, 892, 1115, 1420, 1660, 1784, 2230, 2840, 3320, 4460, 5893, 8920, 11786, 15833, 18509, 23572, 29465, 31666, 37018, 47144, 58930, 63332, 74036, 79165, 92545, 117860, 126664, 148072, 158330, 185090, 235720, 316660, 370180, 633320, 740360, 1314139, 2628278, 5256556, 6570695, 10513112, 13141390, 26282780, 52565560]

約数ペア:

[(1, 52565560), (2, 26282780), (4, 13141390), (5, 10513112), (8, 6570695), (10, 5256556), (20, 2628278), (40, 1314139), (71, 740360), (83, 633320), (142, 370180), (166, 316660), (223, 235720), (284, 185090), (332, 158330), (355, 148072), (415, 126664), (446, 117860), (568, 92545), (664, 79165), (710, 74036), (830, 63332), (892, 58930), (1115, 47144), (1420, 37018), (1660, 31666), (1784, 29465), (2230, 23572), (2840, 18509), (3320, 15833), (4460, 11786), (5893, 8920)]