67244920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 156673440

約数和(自身を除く): 89428520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 262, 313, 328, 410, 524, 626, 655, 820, 1048, 1252, 1310, 1565, 1640, 2504, 2620, 3130, 5240, 5371, 6260, 10742, 12520, 12833, 21484, 25666, 26855, 41003, 42968, 51332, 53710, 64165, 82006, 102664, 107420, 128330, 164012, 205015, 214840, 256660, 328024, 410030, 513320, 820060, 1640120, 1681123, 3362246, 6724492, 8405615, 13448984, 16811230, 33622460, 67244920]

約数ペア:

[(1, 67244920), (2, 33622460), (4, 16811230), (5, 13448984), (8, 8405615), (10, 6724492), (20, 3362246), (40, 1681123), (41, 1640120), (82, 820060), (131, 513320), (164, 410030), (205, 328024), (262, 256660), (313, 214840), (328, 205015), (410, 164012), (524, 128330), (626, 107420), (655, 102664), (820, 82006), (1048, 64165), (1252, 53710), (1310, 51332), (1565, 42968), (1640, 41003), (2504, 26855), (2620, 25666), (3130, 21484), (5240, 12833), (5371, 12520), (6260, 10742)]