42126520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 99843840

約数和(自身を除く): 57717320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 641, 1060, 1240, 1282, 1643, 2120, 2564, 3205, 3286, 5128, 6410, 6572, 8215, 12820, 13144, 16430, 19871, 25640, 32860, 33973, 39742, 65720, 67946, 79484, 99355, 135892, 158968, 169865, 198710, 271784, 339730, 397420, 679460, 794840, 1053163, 1358920, 2106326, 4212652, 5265815, 8425304, 10531630, 21063260, 42126520]

約数ペア:

[(1, 42126520), (2, 21063260), (4, 10531630), (5, 8425304), (8, 5265815), (10, 4212652), (20, 2106326), (31, 1358920), (40, 1053163), (53, 794840), (62, 679460), (106, 397420), (124, 339730), (155, 271784), (212, 198710), (248, 169865), (265, 158968), (310, 135892), (424, 99355), (530, 79484), (620, 67946), (641, 65720), (1060, 39742), (1240, 33973), (1282, 32860), (1643, 25640), (2120, 19871), (2564, 16430), (3205, 13144), (3286, 12820), (5128, 8215), (6410, 6572)]