1330448440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{294347}}^1$

素因数の和:294471

約数の個数: 32

約数和(自身を含む): 3020010480

約数和(自身を除く): 1689562040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 294347, 588694, 1177388, 1471735, 2354776, 2943470, 5886940, 11773880, 33261211, 66522422, 133044844, 166306055, 266089688, 332612110, 665224220, 1330448440]

約数ペア:

[(1, 1330448440), (2, 665224220), (4, 332612110), (5, 266089688), (8, 166306055), (10, 133044844), (20, 66522422), (40, 33261211), (113, 11773880), (226, 5886940), (452, 2943470), (565, 2354776), (904, 1471735), (1130, 1177388), (2260, 588694), (4520, 294347)]