64217380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1019}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 141886080

約数和(自身を除く): 77668700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 460, 548, 685, 1019, 1370, 2038, 2740, 3151, 4076, 5095, 6302, 10190, 12604, 15755, 20380, 23437, 31510, 46874, 63020, 93748, 117185, 139603, 234370, 279206, 468740, 558412, 698015, 1396030, 2792060, 3210869, 6421738, 12843476, 16054345, 32108690, 64217380]

約数ペア:

[(1, 64217380), (2, 32108690), (4, 16054345), (5, 12843476), (10, 6421738), (20, 3210869), (23, 2792060), (46, 1396030), (92, 698015), (115, 558412), (137, 468740), (230, 279206), (274, 234370), (460, 139603), (548, 117185), (685, 93748), (1019, 63020), (1370, 46874), (2038, 31510), (2740, 23437), (3151, 20380), (4076, 15755), (5095, 12604), (6302, 10190)]