66216140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 147141120

約数和(自身を除く): 80924980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 542, 643, 1084, 1286, 1355, 2572, 2710, 3215, 5149, 5420, 6430, 10298, 12217, 12860, 20596, 24434, 25745, 48868, 51490, 61085, 102980, 122170, 174253, 244340, 348506, 697012, 871265, 1742530, 3310807, 3485060, 6621614, 13243228, 16554035, 33108070, 66216140]

約数ペア:

[(1, 66216140), (2, 33108070), (4, 16554035), (5, 13243228), (10, 6621614), (19, 3485060), (20, 3310807), (38, 1742530), (76, 871265), (95, 697012), (190, 348506), (271, 244340), (380, 174253), (542, 122170), (643, 102980), (1084, 61085), (1286, 51490), (1355, 48868), (2572, 25745), (2710, 24434), (3215, 20596), (5149, 12860), (5420, 12217), (6430, 10298)]