64274470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 67813850

約数列:

[1, 2, 5, 10, 13, 26, 31, 41, 62, 65, 82, 130, 155, 205, 310, 389, 403, 410, 533, 778, 806, 1066, 1271, 1945, 2015, 2542, 2665, 3890, 4030, 5057, 5330, 6355, 10114, 12059, 12710, 15949, 16523, 24118, 25285, 31898, 33046, 50570, 60295, 79745, 82615, 120590, 156767, 159490, 165230, 207337, 313534, 414674, 494419, 783835, 988838, 1036685, 1567670, 2073370, 2472095, 4944190, 6427447, 12854894, 32137235, 64274470]

約数ペア:

[(1, 64274470), (2, 32137235), (5, 12854894), (10, 6427447), (13, 4944190), (26, 2472095), (31, 2073370), (41, 1567670), (62, 1036685), (65, 988838), (82, 783835), (130, 494419), (155, 414674), (205, 313534), (310, 207337), (389, 165230), (403, 159490), (410, 156767), (533, 120590), (778, 82615), (806, 79745), (1066, 60295), (1271, 50570), (1945, 33046), (2015, 31898), (2542, 25285), (2665, 24118), (3890, 16523), (4030, 15949), (5057, 12710), (5330, 12059), (6355, 10114)]