166681840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{547}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 419535648

約数和(自身を除く): 252853808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 293, 520, 547, 586, 1040, 1094, 1172, 1465, 2188, 2344, 2735, 2930, 3809, 4376, 4688, 5470, 5860, 7111, 7618, 8752, 10940, 11720, 14222, 15236, 19045, 21880, 23440, 28444, 30472, 35555, 38090, 43760, 56888, 60944, 71110, 76180, 113776, 142220, 152360, 160271, 284440, 304720, 320542, 568880, 641084, 801355, 1282168, 1602710, 2083523, 2564336, 3205420, 4167046, 6410840, 8334092, 10417615, 12821680, 16668184, 20835230, 33336368, 41670460, 83340920, 166681840]

約数ペア:

[(1, 166681840), (2, 83340920), (4, 41670460), (5, 33336368), (8, 20835230), (10, 16668184), (13, 12821680), (16, 10417615), (20, 8334092), (26, 6410840), (40, 4167046), (52, 3205420), (65, 2564336), (80, 2083523), (104, 1602710), (130, 1282168), (208, 801355), (260, 641084), (293, 568880), (520, 320542), (547, 304720), (586, 284440), (1040, 160271), (1094, 152360), (1172, 142220), (1465, 113776), (2188, 76180), (2344, 71110), (2735, 60944), (2930, 56888), (3809, 43760), (4376, 38090), (4688, 35555), (5470, 30472), (5860, 28444), (7111, 23440), (7618, 21880), (8752, 19045), (10940, 15236), (11720, 14222)]