201436280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122827}}^1$

素因数の和:122879

約数の個数: 32

約数和(自身を含む): 464289840

約数和(自身を除く): 262853560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122827, 245654, 491308, 614135, 982616, 1228270, 2456540, 4913080, 5035907, 10071814, 20143628, 25179535, 40287256, 50359070, 100718140, 201436280]

約数ペア:

[(1, 201436280), (2, 100718140), (4, 50359070), (5, 40287256), (8, 25179535), (10, 20143628), (20, 10071814), (40, 5035907), (41, 4913080), (82, 2456540), (164, 1228270), (205, 982616), (328, 614135), (410, 491308), (820, 245654), (1640, 122827)]