52401280

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 64

約数和(自身を含む): 128391480

約数和(自身を除く): 75990200

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, 1997, 2624, 3280, 3994, 5248, 6560, 7988, 9985, 13120, 15976, 19970, 26240, 31952, 39940, 63904, 79880, 81877, 127808, 159760, 163754, 255616, 319520, 327508, 409385, 639040, 655016, 818770, 1278080, 1310032, 1637540, 2620064, 3275080, 5240128, 6550160, 10480256, 13100320, 26200640, 52401280]

約数ペア:

[(1, 52401280), (2, 26200640), (4, 13100320), (5, 10480256), (8, 6550160), (10, 5240128), (16, 3275080), (20, 2620064), (32, 1637540), (40, 1310032), (41, 1278080), (64, 818770), (80, 655016), (82, 639040), (128, 409385), (160, 327508), (164, 319520), (205, 255616), (320, 163754), (328, 159760), (410, 127808), (640, 81877), (656, 79880), (820, 63904), (1312, 39940), (1640, 31952), (1997, 26240), (2624, 19970), (3280, 15976), (3994, 13120), (5248, 9985), (6560, 7988)]