2007018880

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{76487}}^1$

素因数の和:76547

約数の個数: 64

約数和(自身を含む): 4915118880

約数和(自身を除く): 2908100000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 3280, 5248, 6560, 13120, 26240, 76487, 152974, 305948, 382435, 611896, 764870, 1223792, 1529740, 2447584, 3059480, 3135967, 4895168, 6118960, 6271934, 9790336, 12237920, 12543868, 15679835, 24475840, 25087736, 31359670, 48951680, 50175472, 62719340, 100350944, 125438680, 200701888, 250877360, 401403776, 501754720, 1003509440, 2007018880]

約数ペア:

[(1, 2007018880), (2, 1003509440), (4, 501754720), (5, 401403776), (8, 250877360), (10, 200701888), (16, 125438680), (20, 100350944), (32, 62719340), (40, 50175472), (41, 48951680), (64, 31359670), (80, 25087736), (82, 24475840), (128, 15679835), (160, 12543868), (164, 12237920), (205, 9790336), (320, 6271934), (328, 6118960), (410, 4895168), (640, 3135967), (656, 3059480), (820, 2447584), (1312, 1529740), (1640, 1223792), (2624, 764870), (3280, 611896), (5248, 382435), (6560, 305948), (13120, 152974), (26240, 76487)]