18680493950

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{683}}^1\times {\mathrm{10321}}^1$

素因数の和:11069

約数の個数: 48

約数和(自身を含む): 35456565456

約数和(自身を除く): 16776071506

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 683, 1325, 1366, 2650, 3415, 6830, 10321, 17075, 20642, 34150, 36199, 51605, 72398, 103210, 180995, 258025, 361990, 516050, 547013, 904975, 1094026, 1809950, 2735065, 5470130, 7049243, 13675325, 14098486, 27350650, 35246215, 70492430, 176231075, 352462150, 373609879, 747219758, 1868049395, 3736098790, 9340246975, 18680493950]

約数ペア:

[(1, 18680493950), (2, 9340246975), (5, 3736098790), (10, 1868049395), (25, 747219758), (50, 373609879), (53, 352462150), (106, 176231075), (265, 70492430), (530, 35246215), (683, 27350650), (1325, 14098486), (1366, 13675325), (2650, 7049243), (3415, 5470130), (6830, 2735065), (10321, 1809950), (17075, 1094026), (20642, 904975), (34150, 547013), (36199, 516050), (51605, 361990), (72398, 258025), (103210, 180995)]