51475190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 105380352

約数和(自身を除く): 53905162

約数列:

[1, 2, 5, 10, 13, 26, 31, 53, 62, 65, 106, 130, 155, 241, 265, 310, 403, 482, 530, 689, 806, 1205, 1378, 1643, 2015, 2410, 3133, 3286, 3445, 4030, 6266, 6890, 7471, 8215, 12773, 14942, 15665, 16430, 21359, 25546, 31330, 37355, 42718, 63865, 74710, 97123, 106795, 127730, 166049, 194246, 213590, 332098, 395963, 485615, 791926, 830245, 971230, 1660490, 1979815, 3959630, 5147519, 10295038, 25737595, 51475190]

約数ペア:

[(1, 51475190), (2, 25737595), (5, 10295038), (10, 5147519), (13, 3959630), (26, 1979815), (31, 1660490), (53, 971230), (62, 830245), (65, 791926), (106, 485615), (130, 395963), (155, 332098), (241, 213590), (265, 194246), (310, 166049), (403, 127730), (482, 106795), (530, 97123), (689, 74710), (806, 63865), (1205, 42718), (1378, 37355), (1643, 31330), (2015, 25546), (2410, 21359), (3133, 16430), (3286, 15665), (3445, 14942), (4030, 12773), (6266, 8215), (6890, 7471)]