12950020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 29211840

約数和(自身を除く): 16261820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 643, 1007, 1060, 1286, 2014, 2572, 3215, 4028, 5035, 6430, 10070, 12217, 12860, 20140, 24434, 34079, 48868, 61085, 68158, 122170, 136316, 170395, 244340, 340790, 647501, 681580, 1295002, 2590004, 3237505, 6475010, 12950020]

約数ペア:

[(1, 12950020), (2, 6475010), (4, 3237505), (5, 2590004), (10, 1295002), (19, 681580), (20, 647501), (38, 340790), (53, 244340), (76, 170395), (95, 136316), (106, 122170), (190, 68158), (212, 61085), (265, 48868), (380, 34079), (530, 24434), (643, 20140), (1007, 12860), (1060, 12217), (1286, 10070), (2014, 6430), (2572, 5035), (3215, 4028)]