28670660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 62802432

約数和(自身を除く): 34131772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 353, 524, 620, 655, 706, 1310, 1412, 1765, 2620, 3530, 4061, 7060, 8122, 10943, 16244, 20305, 21886, 40610, 43772, 46243, 54715, 81220, 92486, 109430, 184972, 218860, 231215, 462430, 924860, 1433533, 2867066, 5734132, 7167665, 14335330, 28670660]

約数ペア:

[(1, 28670660), (2, 14335330), (4, 7167665), (5, 5734132), (10, 2867066), (20, 1433533), (31, 924860), (62, 462430), (124, 231215), (131, 218860), (155, 184972), (262, 109430), (310, 92486), (353, 81220), (524, 54715), (620, 46243), (655, 43772), (706, 40610), (1310, 21886), (1412, 20305), (1765, 16244), (2620, 10943), (3530, 8122), (4061, 7060)]