78320240

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13411}}^1$

素因数の和:13497

約数の個数: 40

約数和(自身を含む): 184602768

約数和(自身を除く): 106282528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 13411, 26822, 53644, 67055, 107288, 134110, 214576, 268220, 536440, 979003, 1072880, 1958006, 3916012, 4895015, 7832024, 9790030, 15664048, 19580060, 39160120, 78320240]

約数ペア:

[(1, 78320240), (2, 39160120), (4, 19580060), (5, 15664048), (8, 9790030), (10, 7832024), (16, 4895015), (20, 3916012), (40, 1958006), (73, 1072880), (80, 979003), (146, 536440), (292, 268220), (365, 214576), (584, 134110), (730, 107288), (1168, 67055), (1460, 53644), (2920, 26822), (5840, 13411)]