65180240

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{11161}}^1$

素因数の和:11247

約数の個数: 40

約数和(自身を含む): 153633768

約数和(自身を除く): 88453528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 11161, 22322, 44644, 55805, 89288, 111610, 178576, 223220, 446440, 814753, 892880, 1629506, 3259012, 4073765, 6518024, 8147530, 13036048, 16295060, 32590120, 65180240]

約数ペア:

[(1, 65180240), (2, 32590120), (4, 16295060), (5, 13036048), (8, 8147530), (10, 6518024), (16, 4073765), (20, 3259012), (40, 1629506), (73, 892880), (80, 814753), (146, 446440), (292, 223220), (365, 178576), (584, 111610), (730, 89288), (1168, 55805), (1460, 44644), (2920, 22322), (5840, 11161)]