51780170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 105114240

約数和(自身を除く): 53334070

約数列:

[1, 2, 5, 10, 13, 26, 43, 59, 65, 86, 118, 130, 157, 215, 295, 314, 430, 559, 590, 767, 785, 1118, 1534, 1570, 2041, 2537, 2795, 3835, 4082, 5074, 5590, 6751, 7670, 9263, 10205, 12685, 13502, 18526, 20410, 25370, 32981, 33755, 46315, 65962, 67510, 87763, 92630, 120419, 164905, 175526, 240838, 329810, 398309, 438815, 602095, 796618, 877630, 1204190, 1991545, 3983090, 5178017, 10356034, 25890085, 51780170]

約数ペア:

[(1, 51780170), (2, 25890085), (5, 10356034), (10, 5178017), (13, 3983090), (26, 1991545), (43, 1204190), (59, 877630), (65, 796618), (86, 602095), (118, 438815), (130, 398309), (157, 329810), (215, 240838), (295, 175526), (314, 164905), (430, 120419), (559, 92630), (590, 87763), (767, 67510), (785, 65962), (1118, 46315), (1534, 33755), (1570, 32981), (2041, 25370), (2537, 20410), (2795, 18526), (3835, 13502), (4082, 12685), (5074, 10205), (5590, 9263), (6751, 7670)]