64742210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1383

約数の個数: 48

約数和(自身を含む): 130640040

約数和(自身を除く): 65897830

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 377, 754, 845, 1321, 1690, 1885, 2642, 3770, 4901, 6605, 9802, 13210, 17173, 24505, 34346, 38309, 49010, 76618, 85865, 171730, 191545, 223249, 383090, 446498, 498017, 996034, 1116245, 2232490, 2490085, 4980170, 6474221, 12948442, 32371105, 64742210]

約数ペア:

[(1, 64742210), (2, 32371105), (5, 12948442), (10, 6474221), (13, 4980170), (26, 2490085), (29, 2232490), (58, 1116245), (65, 996034), (130, 498017), (145, 446498), (169, 383090), (290, 223249), (338, 191545), (377, 171730), (754, 85865), (845, 76618), (1321, 49010), (1690, 38309), (1885, 34346), (2642, 24505), (3770, 17173), (4901, 13210), (6605, 9802)]