78125440

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2069}}^1$

素因数の和:2147

約数の個数: 64

約数和(自身を含む): 190026000

約数和(自身を除く): 111900560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 590, 640, 944, 1180, 1888, 2069, 2360, 3776, 4138, 4720, 7552, 8276, 9440, 10345, 16552, 18880, 20690, 33104, 37760, 41380, 66208, 82760, 122071, 132416, 165520, 244142, 264832, 331040, 488284, 610355, 662080, 976568, 1220710, 1324160, 1953136, 2441420, 3906272, 4882840, 7812544, 9765680, 15625088, 19531360, 39062720, 78125440]

約数ペア:

[(1, 78125440), (2, 39062720), (4, 19531360), (5, 15625088), (8, 9765680), (10, 7812544), (16, 4882840), (20, 3906272), (32, 2441420), (40, 1953136), (59, 1324160), (64, 1220710), (80, 976568), (118, 662080), (128, 610355), (160, 488284), (236, 331040), (295, 264832), (320, 244142), (472, 165520), (590, 132416), (640, 122071), (944, 82760), (1180, 66208), (1888, 41380), (2069, 37760), (2360, 33104), (3776, 20690), (4138, 18880), (4720, 16552), (7552, 10345), (8276, 9440)]