80539625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 107557632

約数和(自身を除く): 27018007

約数列:

[1, 5, 17, 25, 85, 125, 151, 251, 425, 755, 1255, 2125, 2567, 3775, 4267, 6275, 12835, 18875, 21335, 31375, 37901, 64175, 106675, 189505, 320875, 533375, 644317, 947525, 3221585, 4737625, 16107925, 80539625]

約数ペア:

[(1, 80539625), (5, 16107925), (17, 4737625), (25, 3221585), (85, 947525), (125, 644317), (151, 533375), (251, 320875), (425, 189505), (755, 106675), (1255, 64175), (2125, 37901), (2567, 31375), (3775, 21335), (4267, 18875), (6275, 12835)]