329038120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 762002640

約数和(自身を除く): 432964520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 313, 328, 410, 626, 641, 820, 1252, 1282, 1565, 1640, 2504, 2564, 3130, 3205, 5128, 6260, 6410, 12520, 12820, 12833, 25640, 25666, 26281, 51332, 52562, 64165, 102664, 105124, 128330, 131405, 200633, 210248, 256660, 262810, 401266, 513320, 525620, 802532, 1003165, 1051240, 1605064, 2006330, 4012660, 8025320, 8225953, 16451906, 32903812, 41129765, 65807624, 82259530, 164519060, 329038120]

約数ペア:

[(1, 329038120), (2, 164519060), (4, 82259530), (5, 65807624), (8, 41129765), (10, 32903812), (20, 16451906), (40, 8225953), (41, 8025320), (82, 4012660), (164, 2006330), (205, 1605064), (313, 1051240), (328, 1003165), (410, 802532), (626, 525620), (641, 513320), (820, 401266), (1252, 262810), (1282, 256660), (1565, 210248), (1640, 200633), (2504, 131405), (2564, 128330), (3130, 105124), (3205, 102664), (5128, 64165), (6260, 52562), (6410, 51332), (12520, 26281), (12820, 25666), (12833, 25640)]