2560444705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 3865655808

約数和(自身を除く): 1305211103

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 157, 365, 455, 491, 511, 785, 949, 1099, 2041, 2455, 2555, 3437, 4745, 5495, 6383, 6643, 10205, 11461, 14287, 17185, 31915, 33215, 35843, 44681, 57305, 71435, 77087, 80227, 148993, 179215, 223405, 250901, 385435, 401135, 465959, 539609, 744965, 1002131, 1042951, 1254505, 2329795, 2698045, 3261713, 5010655, 5214755, 5627351, 7014917, 16308565, 28136755, 35074585, 39391457, 73155563, 196957285, 365777815, 512088941, 2560444705]

約数ペア:

[(1, 2560444705), (5, 512088941), (7, 365777815), (13, 196957285), (35, 73155563), (65, 39391457), (73, 35074585), (91, 28136755), (157, 16308565), (365, 7014917), (455, 5627351), (491, 5214755), (511, 5010655), (785, 3261713), (949, 2698045), (1099, 2329795), (2041, 1254505), (2455, 1042951), (2555, 1002131), (3437, 744965), (4745, 539609), (5495, 465959), (6383, 401135), (6643, 385435), (10205, 250901), (11461, 223405), (14287, 179215), (17185, 148993), (31915, 80227), (33215, 77087), (35843, 71435), (44681, 57305)]