181636880

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{9421}}^1$

素因数の和:9675

約数の個数: 40

約数和(自身を含む): 424103064

約数和(自身を除く): 242466184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9421, 9640, 18842, 19280, 37684, 47105, 75368, 94210, 150736, 188420, 376840, 753680, 2270461, 4540922, 9081844, 11352305, 18163688, 22704610, 36327376, 45409220, 90818440, 181636880]

約数ペア:

[(1, 181636880), (2, 90818440), (4, 45409220), (5, 36327376), (8, 22704610), (10, 18163688), (16, 11352305), (20, 9081844), (40, 4540922), (80, 2270461), (241, 753680), (482, 376840), (964, 188420), (1205, 150736), (1928, 94210), (2410, 75368), (3856, 47105), (4820, 37684), (9421, 19280), (9640, 18842)]