40845184

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 85765680

約数和(自身を除く): 44920496

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 128, 164, 172, 181, 328, 344, 362, 656, 688, 724, 1312, 1376, 1448, 1763, 2624, 2752, 2896, 3526, 5248, 5504, 5792, 7052, 7421, 7783, 11584, 14104, 14842, 15566, 23168, 28208, 29684, 31132, 56416, 59368, 62264, 112832, 118736, 124528, 225664, 237472, 249056, 319103, 474944, 498112, 638206, 949888, 996224, 1276412, 2552824, 5105648, 10211296, 20422592, 40845184]

約数ペア:

[(1, 40845184), (2, 20422592), (4, 10211296), (8, 5105648), (16, 2552824), (32, 1276412), (41, 996224), (43, 949888), (64, 638206), (82, 498112), (86, 474944), (128, 319103), (164, 249056), (172, 237472), (181, 225664), (328, 124528), (344, 118736), (362, 112832), (656, 62264), (688, 59368), (724, 56416), (1312, 31132), (1376, 29684), (1448, 28208), (1763, 23168), (2624, 15566), (2752, 14842), (2896, 14104), (3526, 11584), (5248, 7783), (5504, 7421), (5792, 7052)]