2945440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 7144200

約数和(自身を除く): 4198760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 449, 656, 820, 898, 1312, 1640, 1796, 2245, 3280, 3592, 4490, 6560, 7184, 8980, 14368, 17960, 18409, 35920, 36818, 71840, 73636, 92045, 147272, 184090, 294544, 368180, 589088, 736360, 1472720, 2945440]

約数ペア:

[(1, 2945440), (2, 1472720), (4, 736360), (5, 589088), (8, 368180), (10, 294544), (16, 184090), (20, 147272), (32, 92045), (40, 73636), (41, 71840), (80, 36818), (82, 35920), (160, 18409), (164, 17960), (205, 14368), (328, 8980), (410, 7184), (449, 6560), (656, 4490), (820, 3592), (898, 3280), (1312, 2245), (1640, 1796)]