821440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:185

約数の個数: 56

約数和(自身を含む): 2084832

約数和(自身を除く): 1263392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 151, 160, 170, 272, 302, 320, 340, 544, 604, 680, 755, 1088, 1208, 1360, 1510, 2416, 2567, 2720, 3020, 4832, 5134, 5440, 6040, 9664, 10268, 12080, 12835, 20536, 24160, 25670, 41072, 48320, 51340, 82144, 102680, 164288, 205360, 410720, 821440]

約数ペア:

[(1, 821440), (2, 410720), (4, 205360), (5, 164288), (8, 102680), (10, 82144), (16, 51340), (17, 48320), (20, 41072), (32, 25670), (34, 24160), (40, 20536), (64, 12835), (68, 12080), (80, 10268), (85, 9664), (136, 6040), (151, 5440), (160, 5134), (170, 4832), (272, 3020), (302, 2720), (320, 2567), (340, 2416), (544, 1510), (604, 1360), (680, 1208), (755, 1088)]