201279920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132421}}^1$

素因数の和:132453

約数の個数: 40

約数和(自身を含む): 492609840

約数和(自身を除く): 291329920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132421, 264842, 529684, 662105, 1059368, 1324210, 2118736, 2515999, 2648420, 5031998, 5296840, 10063996, 10593680, 12579995, 20127992, 25159990, 40255984, 50319980, 100639960, 201279920]

約数ペア:

[(1, 201279920), (2, 100639960), (4, 50319980), (5, 40255984), (8, 25159990), (10, 20127992), (16, 12579995), (19, 10593680), (20, 10063996), (38, 5296840), (40, 5031998), (76, 2648420), (80, 2515999), (95, 2118736), (152, 1324210), (190, 1059368), (304, 662105), (380, 529684), (760, 264842), (1520, 132421)]