11781760

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 28917000

約数和(自身を除く): 17135240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 449, 640, 656, 820, 898, 1312, 1640, 1796, 2245, 2624, 3280, 3592, 4490, 5248, 6560, 7184, 8980, 13120, 14368, 17960, 18409, 26240, 28736, 35920, 36818, 57472, 71840, 73636, 92045, 143680, 147272, 184090, 287360, 294544, 368180, 589088, 736360, 1178176, 1472720, 2356352, 2945440, 5890880, 11781760]

約数ペア:

[(1, 11781760), (2, 5890880), (4, 2945440), (5, 2356352), (8, 1472720), (10, 1178176), (16, 736360), (20, 589088), (32, 368180), (40, 294544), (41, 287360), (64, 184090), (80, 147272), (82, 143680), (128, 92045), (160, 73636), (164, 71840), (205, 57472), (320, 36818), (328, 35920), (410, 28736), (449, 26240), (640, 18409), (656, 17960), (820, 14368), (898, 13120), (1312, 8980), (1640, 7184), (1796, 6560), (2245, 5248), (2624, 4490), (3280, 3592)]