128036320

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6301}}^1$

素因数の和:6443

約数の個数: 48

約数和(自身を含む): 304915968

約数和(自身を除く): 176879648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 6301, 10160, 12602, 20320, 25204, 31505, 50408, 63010, 100816, 126020, 201632, 252040, 504080, 800227, 1008160, 1600454, 3200908, 4001135, 6401816, 8002270, 12803632, 16004540, 25607264, 32009080, 64018160, 128036320]

約数ペア:

[(1, 128036320), (2, 64018160), (4, 32009080), (5, 25607264), (8, 16004540), (10, 12803632), (16, 8002270), (20, 6401816), (32, 4001135), (40, 3200908), (80, 1600454), (127, 1008160), (160, 800227), (254, 504080), (508, 252040), (635, 201632), (1016, 126020), (1270, 100816), (2032, 63010), (2540, 50408), (4064, 31505), (5080, 25204), (6301, 20320), (10160, 12602)]