54465520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 131991552

約数和(自身を除く): 77526032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 223, 284, 344, 355, 430, 446, 568, 688, 710, 860, 892, 1115, 1136, 1420, 1720, 1784, 2230, 2840, 3053, 3440, 3568, 4460, 5680, 6106, 8920, 9589, 12212, 15265, 15833, 17840, 19178, 24424, 30530, 31666, 38356, 47945, 48848, 61060, 63332, 76712, 79165, 95890, 122120, 126664, 153424, 158330, 191780, 244240, 253328, 316660, 383560, 633320, 680819, 767120, 1266640, 1361638, 2723276, 3404095, 5446552, 6808190, 10893104, 13616380, 27232760, 54465520]

約数ペア:

[(1, 54465520), (2, 27232760), (4, 13616380), (5, 10893104), (8, 6808190), (10, 5446552), (16, 3404095), (20, 2723276), (40, 1361638), (43, 1266640), (71, 767120), (80, 680819), (86, 633320), (142, 383560), (172, 316660), (215, 253328), (223, 244240), (284, 191780), (344, 158330), (355, 153424), (430, 126664), (446, 122120), (568, 95890), (688, 79165), (710, 76712), (860, 63332), (892, 61060), (1115, 48848), (1136, 47945), (1420, 38356), (1720, 31666), (1784, 30530), (2230, 24424), (2840, 19178), (3053, 17840), (3440, 15833), (3568, 15265), (4460, 12212), (5680, 9589), (6106, 8920)]