1270534640

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{25657}}^1$

素因数の和:26289

約数の個数: 40

約数和(自身を含む): 2958880560

約数和(自身を除く): 1688345920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 2476, 3095, 4952, 6190, 9904, 12380, 24760, 25657, 49520, 51314, 102628, 128285, 205256, 256570, 410512, 513140, 1026280, 2052560, 15881683, 31763366, 63526732, 79408415, 127053464, 158816830, 254106928, 317633660, 635267320, 1270534640]

約数ペア:

[(1, 1270534640), (2, 635267320), (4, 317633660), (5, 254106928), (8, 158816830), (10, 127053464), (16, 79408415), (20, 63526732), (40, 31763366), (80, 15881683), (619, 2052560), (1238, 1026280), (2476, 513140), (3095, 410512), (4952, 256570), (6190, 205256), (9904, 128285), (12380, 102628), (24760, 51314), (25657, 49520)]