164050840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1493}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 384017760

約数和(自身を除く): 219966920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1493, 1640, 2680, 2747, 2986, 5494, 5972, 7465, 10988, 11944, 13735, 14930, 21976, 27470, 29860, 54940, 59720, 61213, 100031, 109880, 122426, 200062, 244852, 306065, 400124, 489704, 500155, 612130, 800248, 1000310, 1224260, 2000620, 2448520, 4001240, 4101271, 8202542, 16405084, 20506355, 32810168, 41012710, 82025420, 164050840]

約数ペア:

[(1, 164050840), (2, 82025420), (4, 41012710), (5, 32810168), (8, 20506355), (10, 16405084), (20, 8202542), (40, 4101271), (41, 4001240), (67, 2448520), (82, 2000620), (134, 1224260), (164, 1000310), (205, 800248), (268, 612130), (328, 500155), (335, 489704), (410, 400124), (536, 306065), (670, 244852), (820, 200062), (1340, 122426), (1493, 109880), (1640, 100031), (2680, 61213), (2747, 59720), (2986, 54940), (5494, 29860), (5972, 27470), (7465, 21976), (10988, 14930), (11944, 13735)]