66505540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1601}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 146409984

約数和(自身を除く): 79904444

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 1601, 2077, 3202, 4154, 6404, 8005, 8308, 10385, 16010, 20770, 32020, 41540, 49631, 99262, 107267, 198524, 214534, 248155, 429068, 496310, 536335, 992620, 1072670, 2145340, 3325277, 6650554, 13301108, 16626385, 33252770, 66505540]

約数ペア:

[(1, 66505540), (2, 33252770), (4, 16626385), (5, 13301108), (10, 6650554), (20, 3325277), (31, 2145340), (62, 1072670), (67, 992620), (124, 536335), (134, 496310), (155, 429068), (268, 248155), (310, 214534), (335, 198524), (620, 107267), (670, 99262), (1340, 49631), (1601, 41540), (2077, 32020), (3202, 20770), (4154, 16010), (6404, 10385), (8005, 8308)]