67393820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 155441664

約数和(自身を除く): 88047844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 157, 169, 254, 260, 314, 338, 508, 628, 635, 676, 785, 845, 1270, 1570, 1651, 1690, 2041, 2540, 3140, 3302, 3380, 4082, 6604, 8164, 8255, 10205, 16510, 19939, 20410, 21463, 26533, 33020, 39878, 40820, 42926, 53066, 79756, 85852, 99695, 106132, 107315, 132665, 199390, 214630, 259207, 265330, 398780, 429260, 518414, 530660, 1036828, 1296035, 2592070, 3369691, 5184140, 6739382, 13478764, 16848455, 33696910, 67393820]

約数ペア:

[(1, 67393820), (2, 33696910), (4, 16848455), (5, 13478764), (10, 6739382), (13, 5184140), (20, 3369691), (26, 2592070), (52, 1296035), (65, 1036828), (127, 530660), (130, 518414), (157, 429260), (169, 398780), (254, 265330), (260, 259207), (314, 214630), (338, 199390), (508, 132665), (628, 107315), (635, 106132), (676, 99695), (785, 85852), (845, 79756), (1270, 53066), (1570, 42926), (1651, 40820), (1690, 39878), (2041, 33020), (2540, 26533), (3140, 21463), (3302, 20410), (3380, 19939), (4082, 16510), (6604, 10205), (8164, 8255)]