204570440

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{21221}}^1$

素因数の和:21473

約数の個数: 32

約数和(自身を含む): 462215160

約数和(自身を除く): 257644720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 21221, 42442, 84884, 106105, 169768, 212210, 424420, 848840, 5114261, 10228522, 20457044, 25571305, 40914088, 51142610, 102285220, 204570440]

約数ペア:

[(1, 204570440), (2, 102285220), (4, 51142610), (5, 40914088), (8, 25571305), (10, 20457044), (20, 10228522), (40, 5114261), (241, 848840), (482, 424420), (964, 212210), (1205, 169768), (1928, 106105), (2410, 84884), (4820, 42442), (9640, 21221)]